htonl integer integer
http_date([offset[,unit]]) integer string
iif(true,false) boolean string
-in_table([table]) string boolean
+in_table([table]) any boolean
ipmask(mask4[,mask6]) address address
json([input-code]) string string
json_query(json_path[,output_type]) string _outtype_
srv_queue string integer
strcmp(var) string boolean
sub(value) integer integer
-table_bytes_in_rate([table]) string integer
-table_bytes_out_rate([table]) string integer
-table_conn_cnt([table]) string integer
+table_bytes_in_rate([table]) any integer
+table_bytes_out_rate([table]) any integer
+table_conn_cnt([table]) any integer
-- keyword -------------------------------------+- input type + output type -
-table_conn_cur([table]) string integer
-table_conn_rate([table]) string integer
-table_expire([table[,default_value]]) string integer
-table_glitch_cnt([table]) string integer
-table_glitch_rate([table]) string integer
-table_gpc(idx[,table]) string integer
-table_gpc0([table]) string integer
-table_gpc0_rate([table]) string integer
-table_gpc1([table]) string integer
-table_gpc1_rate([table]) string integer
-table_gpc_rate(idx[,table]) string integer
-table_gpt(idx[,table]) string integer
-table_gpt0([table]) string integer
-table_http_err_cnt([table]) string integer
-table_http_err_rate([table]) string integer
-table_http_fail_cnt([table]) string integer
-table_http_fail_rate([table]) string integer
-table_http_req_cnt([table]) string integer
-table_http_req_rate([table]) string integer
-table_idle([table[,default_value]]) string integer
-table_kbytes_in([table]) string integer
+table_conn_cur([table]) any integer
+table_conn_rate([table]) any integer
+table_expire([table[,default_value]]) any integer
+table_glitch_cnt([table]) any integer
+table_glitch_rate([table]) any integer
+table_gpc(idx[,table]) any integer
+table_gpc0([table]) any integer
+table_gpc0_rate([table]) any integer
+table_gpc1([table]) any integer
+table_gpc1_rate([table]) any integer
+table_gpc_rate(idx[,table]) any integer
+table_gpt(idx[,table]) any integer
+table_gpt0([table]) any integer
+table_http_err_cnt([table]) any integer
+table_http_err_rate([table]) any integer
+table_http_fail_cnt([table]) any integer
+table_http_fail_rate([table]) any integer
+table_http_req_cnt([table]) any integer
+table_http_req_rate([table]) any integer
+table_idle([table[,default_value]]) any integer
+table_kbytes_in([table]) any integer
-- keyword -------------------------------------+- input type + output type -
-table_kbytes_out([table]) string integer
-table_server_id([table]) string integer
-table_sess_cnt([table]) string integer
-table_sess_rate([table]) string integer
-table_trackers([table]) string integer
+table_kbytes_out([table]) any integer
+table_server_id([table]) any integer
+table_sess_cnt([table]) any integer
+table_sess_rate([table]) any integer
+table_trackers([table]) any integer
ub64dec string string
ub64enc string string
ungrpc(field_number[,field_type]) binary binary / int
http-request set-header x-forwarded-proto %[ssl_fc,iif(https,http)]
in_table([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, a boolean false is returned. Otherwise a boolean
- true is returned. This can be used to verify the presence of a certain key in
- a table tracking some elements (e.g. whether or not a source IP address or an
- Authorization header was already seen).
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table, a
+ boolean false is returned. Otherwise a boolean true is returned. This can be
+ used to verify the presence of a certain key in a table tracking some
+ elements (e.g. whether or not a source IP address or an Authorization header
+ was already seen).
ipmask(<mask4>[,<mask6>])
Apply a mask to an IP address, and use the result for lookups and storage.
or a variable name. See section 2.8 about variables for details.
table_bytes_in_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the average client-to-server bytes rate associated with the
- input sample in the designated table, measured in amount of bytes over the
- period configured in the table. See also the sc_bytes_in_rate sample fetch
- keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the average
+ client-to-server bytes rate associated with the input sample in the designated
+ table, measured in amount of bytes over the period configured in the table.
+ See also the sc_bytes_in_rate sample fetch keyword.
table_bytes_out_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the average server-to-client bytes rate associated with the
- input sample in the designated table, measured in amount of bytes over the
- period configured in the table. See also the sc_bytes_out_rate sample fetch
- keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the average
+ server-to-client bytes rate associated with the input sample in the designated
+ table, measured in amount of bytes over the period configured in the table.
+ See also the sc_bytes_out_rate sample fetch keyword.
table_conn_cnt([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the cumulative number of incoming connections associated
- with the input sample in the designated table. See also the sc_conn_cnt sample
- fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the cumulative
+ number of incoming connections associated with the input sample in the
+ designated table. See also the sc_conn_cnt sample fetch keyword.
table_conn_cur([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the current amount of concurrent tracked connections
- associated with the input sample in the designated table. See also the
- sc_conn_cur sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the current
+ amount of concurrent tracked connections associated with the input sample in
+ the designated table. See also the sc_conn_cur sample fetch keyword.
table_conn_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the average incoming connection rate associated with the
- input sample in the designated table. See also the sc_conn_rate sample fetch
- keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the average
+ incoming connection rate associated with the input sample in the designated
+ table. See also the sc_conn_rate sample fetch keyword.
table_expire([<table>[,<default_value>]])
Uses the input sample to perform a look up in in the current proxy's
in the designated table. See also the table_idle sample fetch keyword.
table_glitch_cnt([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the cumulative number of front connection glitches
- associated with the input sample in the designated table. See also the
- sc_glitch_cnt sample fetch keyword and fc_glitches for the value measured on
- the current front connection.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the cumulative
+ number of front connection glitches associated with the input sample in the
+ designated table. See also the sc_glitch_cnt sample fetch keyword and
+ fc_glitches for the value measured on the current front connection.
table_glitch_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the average front connection glitch rate associated with
- the input sample in the designated table. See also the sc_glitch_rate sample
- fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the average
+ front connection glitch rate associated with the input sample in the
+ designated table. See also the sc_glitch_rate sample fetch keyword.
table_gpc(<idx>[,<table>])
- Uses the string representation of the input sample to perform a lookup in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the current value of the General Purpose Counter at the
- index <idx> of the array associated to the input sample in the designated
- <table>. <idx> is an integer between 0 and 99.
- If there is no GPC stored at this index, it also returns the boolean value 0.
- This applies only to the 'gpc' array data_type (and not to the legacy
- 'gpc0' nor 'gpc1' data_types).
- See also the sc_get_gpc sample fetch keyword.
+ Uses the input sample to perform a lookup in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the current
+ value of the General Purpose Counter at the index <idx> of the array
+ associated to the input sample in the designated <table>. <idx> is an integer
+ between 0 and 99. If there is no GPC stored at this index, it also returns
+ the boolean value 0. This applies only to the 'gpc' array data_type (and not
+ to the legacy 'gpc0' nor 'gpc1' data_types). See also the sc_get_gpc sample
+ fetch keyword.
table_gpc0([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the current value of the first general purpose counter
- associated with the input sample in the designated table. See also the
- sc_get_gpc0 sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the current
+ value of the first general purpose counter associated with the input sample
+ in the designated table. See also the sc_get_gpc0 sample fetch keyword.
table_gpc0_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the frequency which the gpc0 counter was incremented over
- the configured period in the table, associated with the input sample in the
- designated table. See also the sc_get_gpc0_rate sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the frequency
+ which the gpc0 counter was incremented over the configured period in the
+ table, associated with the input sample in the designated table. See also the
+ sc_get_gpc0_rate sample fetch keyword.
table_gpc1([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the current value of the second general purpose counter
- associated with the input sample in the designated table. See also the
- sc_get_gpc1 sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the current
+ value of the second general purpose counter associated with the input sample
+ in the designated table. See also the sc_get_gpc1 sample fetch keyword.
table_gpc1_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the frequency which the gpc1 counter was incremented over
- the configured period in the table, associated with the input sample in the
- designated table. See also the sc_get_gpc1_rate sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the frequency
+ which the gpc1 counter was incremented over the configured period in the
+ table, associated with the input sample in the designated table. See also the
+ sc_get_gpc1_rate sample fetch keyword.
table_gpc_rate(<idx>[,<table>])
- Uses the string representation of the input sample to perform a lookup in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the frequency which the Global Purpose Counter at index
- <idx> of the array (associated to the input sample in the designated
- stick-table <table>) was incremented over the configured period. <idx> is an
- integer between 0 and 99. If there is no gpc_rate stored at this index, it
- also returns the boolean value 0.
- This applies only to the 'gpc_rate' array data_type (and not to the
- legacy 'gpc0_rate' nor 'gpc1_rate' data_types).
- See also the sc_gpc_rate sample fetch keyword.
+ Uses the input sample to perform a lookup in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the frequency
+ which the Global Purpose Counter at index <idx> of the array (associated to
+ the input sample in the designated stick-table <table>) was incremented over
+ the configured period. <idx> is an integer between 0 and 99. If there is no
+ gpc_rate stored at this index, it also returns the boolean value 0. This
+ applies only to the 'gpc_rate' array data_type (and not to the legacy
+ 'gpc0_rate' nor 'gpc1_rate' data_types). See also the sc_gpc_rate sample
+ fetch keyword.
table_gpt(<idx>[,<table>])
- Uses the string representation of the input sample to perform a lookup in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, boolean value zero is returned. Otherwise the
- converter returns the current value of the general purpose tag at the index
- <idx> of the array associated to the input sample in the designated <table>.
- <idx> is an integer between 0 and 99. If there is no GPT stored at this index,
- it also returns the boolean value 0. This applies only to the 'gpt' array
- data_type (and not on the legacy 'gpt0' data-type).
- See also the sc_get_gpt sample fetch keyword.
+ Uses the input sample to perform a lookup in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ boolean value zero is returned. Otherwise the converter returns the current
+ value of the general purpose tag at the index <idx> of the array associated
+ to the input sample in the designated <table>. <idx> is an integer between
+ 0 and 99. If there is no GPT stored at this index, it also returns the
+ boolean value 0. This applies only to the 'gpt' array data_type (and not on
+ the legacy 'gpt0' data-type). See also the sc_get_gpt sample fetch keyword.
table_gpt0([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, boolean value zero is returned. Otherwise the
- converter returns the current value of the first general purpose tag
- associated with the input sample in the designated table. See also the
- sc_get_gpt0 sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ boolean value zero is returned. Otherwise the converter returns the current
+ value of the first general purpose tag associated with the input sample in
+ the designated table. See also the sc_get_gpt0 sample fetch keyword.
table_http_err_cnt([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the cumulative number of HTTP errors associated with the
- input sample in the designated table. See also the sc_http_err_cnt sample
- fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the cumulative
+ number of HTTP errors associated with the input sample in the designated
+ table. See also the sc_http_err_cnt sample fetch keyword.
table_http_err_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- average rate of HTTP errors associated with the input sample in the designated
- table, measured in amount of errors over the period configured in the table.
- See also the sc_http_err_rate sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the average rate of HTTP errors
+ associated with the input sample in the designated table, measured in amount
+ of errors over the period configured in the table. See also the
+ sc_http_err_rate sample fetch keyword.
table_http_fail_cnt([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the cumulative number of HTTP failures associated with the
- input sample in the designated table. See also the sc_http_fail_cnt sample
- fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the cumulative
+ number of HTTP failures associated with the input sample in the designated
+ table. See also the sc_http_fail_cnt sample fetch keyword.
table_http_fail_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- average rate of HTTP failures associated with the input sample in the
- designated table, measured in amount of failures over the period configured
- in the table. See also the sc_http_fail_rate sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the average rate of HTTP failures
+ associated with the input sample in the designated table, measured in amount
+ of failures over the period configured in the table. See also the
+ sc_http_fail_rate sample fetch keyword.
table_http_req_cnt([<table>])
- Uses the string representation of the input sample to perform a look up in the
- current proxy's stick-table or in the designated stick-table. If the key is
- not found in the table, integer value zero is returned. Otherwise the
- converter returns the cumulative number of HTTP requests associated with the
- input sample in the designated table. See also the sc_http_req_cnt sample
- fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the cumulative
+ number of HTTP requests associated with the input sample in the designated
+ table. See also the sc_http_req_cnt sample fetch keyword.
table_http_req_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- average rate of HTTP requests associated with the input sample in the
- designated table, measured in amount of requests over the period configured in
- the table. See also the sc_http_req_rate sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the average rate of HTTP requests
+ associated with the input sample in the designated table, measured in amount
+ of requests over the period configured in the table. See also the
+ sc_http_req_rate sample fetch keyword.
table_idle([<table>[,<default_value>]])
Uses the input sample to perform a look up in the current proxy's stick-table
table_expire sample fetch keyword.
table_kbytes_in([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the cumulative number of client-to-server data associated
- with the input sample in the designated table, measured in kilobytes. The test
- is currently performed on 32-bit integers, which limits values to 4 terabytes.
- See also the sc_kbytes_in sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the cumulative
+ number of client-to-server data associated with the input sample in the
+ designated table, measured in kilobytes. The test is currently performed on
+ 32-bit integers, which limits values to 4 terabytes. See also the sc_kbytes_in
+ sample fetch keyword.
table_kbytes_out([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the cumulative number of server-to-client data associated
- with the input sample in the designated table, measured in kilobytes. The test
- is currently performed on 32-bit integers, which limits values to 4 terabytes.
- See also the sc_kbytes_out sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the cumulative
+ number of server-to-client data associated with the input sample in the
+ designated table, measured in kilobytes. The test is currently performed on
+ 32-bit integers, which limits values to 4 terabytes. See also the
+ sc_kbytes_out sample fetch keyword.
table_server_id([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the server ID associated with the input sample in the
- designated table. A server ID is associated to a sample by a "stick" rule when
- a connection to a server succeeds. A server ID zero means that no server is
- associated with this key.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the server ID
+ associated with the input sample in the designated table. A server ID is
+ associated to a sample by a "stick" rule when a connection to a server
+ succeeds. A server ID zero means that no server is associated with this key.
table_sess_cnt([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the cumulative number of incoming sessions associated with
- the input sample in the designated table. Note that a session here refers to
- an incoming connection being accepted by the "tcp-request connection"
- rulesets. See also the sc_sess_cnt sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the cumulative
+ number of incoming sessions associated with the input sample in the designated
+ table. Note that a session here refers to an incoming connection being
+ accepted by the "tcp-request connection" rulesets. See also the sc_sess_cnt
+ sample fetch keyword.
table_sess_rate([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the average incoming session rate associated with the input
- sample in the designated table. Note that a session here refers to an incoming
- connection being accepted by the "tcp-request connection" rulesets. See also
- the sc_sess_rate sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the average
+ incoming session rate associated with the input sample in the designated
+ table. Note that a session here refers to an incoming connection being
+ accepted by the "tcp-request connection" rulesets. See also the sc_sess_rate
+ sample fetch keyword.
table_trackers([<table>])
- Uses the string representation of the input sample to perform a look up in
- the current proxy's stick-table or in the designated stick-table. If the key
- is not found in the table, integer value zero is returned. Otherwise the
- converter returns the current amount of concurrent connections tracking the
- same key as the input sample in the designated table. It differs from
- table_conn_cur in that it does not rely on any stored information but on the
- table's reference count (the "use" value which is returned by "show table" on
- the CLI). This may sometimes be more suited for layer7 tracking. It can be
- used to tell a server how many concurrent connections there are from a given
- address for example. See also the sc_trackers sample fetch keyword.
+ Uses the input sample to perform a look up in the current proxy's stick-table
+ or in the designated stick-table. If the key is not found in the table,
+ integer value zero is returned. Otherwise the converter returns the current
+ amount of concurrent connections tracking the same key as the input sample
+ in the designated table. It differs from table_conn_cur in that it does not
+ rely on any stored information but on the table's reference count (the "use"
+ value which is returned by "show table" on the CLI). This may sometimes be
+ more suited for layer7 tracking. It can be used to tell a server how many
+ concurrent connections there are from a given address for example. See also
+ the sc_trackers sample fetch keyword.
ub64dec
This converter is the base64url variant of b64dec converter. base64url