dns.cgi: Timeout after 2 seconds for DNS server checks

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/html/cgi-bin/dns.cgi b/html/cgi-bin/dns.cgi
index 23e4a71def92bdfa2345d7f12b4bbb350e0a55b5..42fd8002aad23adf845def474dac74bf5e4a19ea 100755 (executable)
--- a/html/cgi-bin/dns.cgi
+++ b/html/cgi-bin/dns.cgi
@@ -759,12 +759,8 @@ sub grab_address_from_file($) {
 sub check_nameserver($$$$) {
        my ($nameserver, $record, $proto, $tls_hostname) = @_;
 
-       # Timout for the query in seconds.
-       my $timeout;
-       my $retry = "+retry=0";
-
        # Default values.
-       my @command = ("kdig", "$timeout", "$retry", "+dnssec",
+       my @command = ("kdig", "+timeout=2", "+retry=0", "+dnssec",
                "+bufsize=1232");
 
        # Handle different protols.