diff options
Diffstat (limited to 'config/snort/snort.inc')
| -rwxr-xr-x | config/snort/snort.inc | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/config/snort/snort.inc b/config/snort/snort.inc index 869e040e..884c50ec 100755 --- a/config/snort/snort.inc +++ b/config/snort/snort.inc @@ -1977,7 +1977,8 @@ function snort_generate_conf($snortcfg) { "DCERPC_NCACN_IP_TCP" => "139,445", "DCERPC_NCADG_IP_UDP" => "138,1024:", "DCERPC_NCACN_IP_LONG" => "135,139,445,593,1024:", "DCERPC_NCACN_UDP_LONG" => "135,1024:", "DCERPC_NCACN_UDP_SHORT" => "135,593,1024:", "DCERPC_NCACN_TCP" => "2103,2105,2107", - "DCERPC_BRIGHTSTORE" => "6503,6504", "DNP3_PORTS" => "20000", "MODBUS_PORTS" => "502" + "DCERPC_BRIGHTSTORE" => "6503,6504", "DNP3_PORTS" => "20000", "MODBUS_PORTS" => "502", + "GTP_PORTS" => "2123,2152,3386" ); $portvardef = ""; @@ -2002,6 +2003,10 @@ EOD; if ((!empty($snortcfg['server_flow_depth'])) || ($snortcfg['server_flow_depth'] == '0')) $def_server_flow_depth_type = $snortcfg['server_flow_depth']; + $http_server_profile = "all"; + if (!empty($snortcfg['http_server_profile'])) + $http_server_profile = $snortcfg['http_server_profile']; + $def_client_flow_depth_type = '300'; if ((!empty($snortcfg['client_flow_depth'])) || ($snortcfg['client_flow_depth'] == '0')) $def_client_flow_depth_type = $snortcfg['client_flow_depth']; @@ -2017,7 +2022,7 @@ EOD; # HTTP Inspect # preprocessor http_inspect: global iis_unicode_map unicode.map 1252 compress_depth 65535 decompress_depth 65535 -preprocessor http_inspect_server: server default profile all {$noalert_http_inspect}\ +preprocessor http_inspect_server: server default profile {$http_server_profile} {$noalert_http_inspect}\ ports { {$http_ports} } \ http_methods { GET POST PUT SEARCH MKCOL COPY MOVE LOCK UNLOCK NOTIFY POLL BCOPY BDELETE BMOVE LINK UNLINK OPTIONS HEAD DELETE TRACE TRACK CONNECT SOURCE SUBSCRIBE UNSUBSCRIBE PROPFIND PROPPATCH BPROPFIND BPROPPATCH RPC_CONNECT PROXY_SUCCESS BITS_POST CCM_POST SMS_POST RPC_IN_DATA RPC_OUT_DATA RPC_ECHO_DATA } \ server_flow_depth {$def_server_flow_depth_type} \ @@ -2221,6 +2226,14 @@ preprocessor modbus: \ EOD; + /* def gtp_preprocessor */ + $gtp_ports = str_replace(",", " ", $snort_ports['GTP_PORTS']); + $gtp_preproc = <<<EOD +# GTP preprocessor # +preprocessor gtp: ports { {$gtp_ports} } + +EOD; + $def_ssl_ports_ignore = str_replace(",", " ", $snort_ports['ssl_ports']); $ssl_preproc = <<<EOD # Ignore SSL and Encryption # @@ -2267,11 +2280,11 @@ EOD; $snort_preproc_libs = array( "dce_rpc_2" => "dce2_preproc", "dns_preprocessor" => "dns_preproc", "ftp_preprocessor" => "ftptelnet_preproc", "imap_preproc" => "imap_preproc", "pop_preproc" => "pop_preproc", "reputation_preproc" => "reputation_preproc", "sensitive_data" => "sdf_preproc", - "sip_preproc" => "sip_preproc", "smtp_preprocessor" => "smtp_preproc", "ssh_preproc" => "ssh_preproc", + "sip_preproc" => "sip_preproc", "gtp_preproc" => "gtp_preproc", "smtp_preprocessor" => "smtp_preproc", "ssh_preproc" => "ssh_preproc", "ssl_preproc" => "ssl_preproc", "dnp3_preproc" => "dnp3_preproc", "modbus_preproc" => "modbus_preproc" ); $snort_preproc = array ( - "perform_stat", "http_inspect", "other_preprocs", "ftp_preprocessor", "smtp_preprocessor", "ssl_preproc", "sip_preproc", + "perform_stat", "http_inspect", "other_preprocs", "ftp_preprocessor", "smtp_preprocessor", "ssl_preproc", "sip_preproc", "gtp_preproc", "sf_portscan", "dce_rpc_2", "dns_preprocessor", "sensitive_data", "pop_preproc", "imap_preproc", "dnp3_preproc", "modbus_preproc" ); $snort_preprocessors = ""; @@ -2369,6 +2382,9 @@ config disable_tcpopt_alerts config disable_ipopt_alerts config disable_decode_drops +# Enable the GTP decoder # +config enable_gtp + # Configure PCRE match limitations config pcre_match_limit: 3500 config pcre_match_limit_recursion: 1500 |