From 51e2b08f474befadbd1c1c250bfa18c11a4d0846 Mon Sep 17 00:00:00 2001 From: Stefan Schantl Date: Sun, 24 Jul 2022 14:24:05 +0200 Subject: [PATCH] tor: Add service related IDS rules file. This rules should prevent flooding the IDS log when using Tor as relay or proxy. May some of those rules has to be adjusted a bit at a later time or more rules are required. Signed-off-by: Stefan Schantl --- config/tor/ipfire-tor.rules | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/config/tor/ipfire-tor.rules b/config/tor/ipfire-tor.rules index cd19a81f3f..82d065b6d9 100644 --- a/config/tor/ipfire-tor.rules +++ b/config/tor/ipfire-tor.rules @@ -1,4 +1,4 @@ -pass http any !$HTTP_PORTS -> $HOME_NET any (msg:"LOCAL No alerts for HTTP gzip decompression failed"; flowbits:noalert; flow:established; app-layer-event:http.gzip_decompression_failed; sid:998877010; rev:1;) -pass tls $HOME_NET $TOR_RELAY_PORT -> $EXTERNAL_NET any (msg:"LOCAL No alerts for outgoing TLS traffic on tor port"; flowbits:noalert; flow:established; sid:998877011; rev:1;) -pass tls $EXTERNAL_NET any -> $HOME_NET $TOR_RELAY_PORT (msg:"LOCAL No alerts for incomming TLS traffic on tor port"; flowbits:noalert; flow:established; sid:998877012; rev:1;) -pass ip $EXTERNAL_NET any -> $HOME_NET $TOR_SOCKS_PORT (msg:"LOCAL No alerts for first Data in wrong direction"; flowbits:noalert; flow:established; app-layer-event:applayer_wrong_direction_first_data; sid:998877013; rev:1;) +pass http any !$HTTP_PORTS -> $HOME_NET any (msg:"LOCAL No alerts for HTTP gzip decompression failed"; flowbits:noalert; flow:established; app-layer-event:http.gzip_decompression_failed; sid:1200000; rev:1;) +pass tls $HOME_NET $TOR_RELAY_PORT -> $EXTERNAL_NET any (msg:"LOCAL No alerts for outgoing TLS traffic on tor port"; flowbits:noalert; flow:established; sid:1200001; rev:1;) +pass tls $EXTERNAL_NET any -> $HOME_NET $TOR_RELAY_PORT (msg:"LOCAL No alerts for incomming TLS traffic on tor port"; flowbits:noalert; flow:established; sid:1200002; rev:1;) +pass ip $EXTERNAL_NET any -> $HOME_NET $TOR_SOCKS_PORT (msg:"LOCAL No alerts for first Data in wrong direction"; flowbits:noalert; flow:established; app-layer-event:applayer_wrong_direction_first_data; sid:1000003; rev:1;) -- 2.39.5