Snort mailing list archives

Re: Snort 3 Config File Question (3)


From: Jim Campbell <jim () w4bqp net>
Date: Tue, 25 Jul 2017 10:49:42 -0400

I looked at last night's unified2 output and found four sids being output; 116:408, 412, 414, and 444. I entered those into /etc/snort/disablesid.conf. Wasn't effective, even after restarting barnyard2. What program acts on disablesid.conf?

I did the "-A cmg" as you requested. The only packets being output were the DHCP requests and responses. In addition, I was able to do http requests to the internet with no problem while Snort was running so it was passing packets to the internet. Following are the shutdown statistics:

-- [0] enp1s0:enp4s0
--------------------------------------------------
Packet Statistics
--------------------------------------------------
daq
                 received: 106
                 analyzed: 106
                    allow: 89
                    block: 9
                  replace: 8
--------------------------------------------------
codec
                    total: 106          (100.000%)
                      arp: 43           ( 40.566%)
                      eth: 106          (100.000%)
                     ipv4: 62           ( 58.491%)
                     ipv6: 1            (  0.943%)
                      tcp: 19           ( 17.925%)
                      udp: 44           ( 41.509%)
--------------------------------------------------
Module Statistics
--------------------------------------------------
detection
                 analyzed: 106
               hard_evals: 102
             raw_searches: 94
             pkt_searches: 94
             total_alerts: 27
                   logged: 27
--------------------------------------------------
search_engine
               max_queued: 8
            total_inserts: 19
             total_unique: 18
     non_qualified_events: 120
           searched_bytes: 10422
--------------------------------------------------
appid
                  packets: 63
        processed_packets: 63
               mdns_flows: 2
--------------------------------------------------
arp_spoof
                  packets: 43
--------------------------------------------------
back_orifice
                  packets: 44
--------------------------------------------------
binder
                  packets: 30
                 inspects: 30
--------------------------------------------------
normalizer
               tcp_ts_nop: 8
--------------------------------------------------
port_scan
                  packets: 63
--------------------------------------------------
reputation
                  packets: 48
--------------------------------------------------
stream
                tcp_flows: 11
                udp_flows: 19
--------------------------------------------------
stream_tcp
                 sessions: 11
                      max: 11
                  created: 11
                 released: 11
                 timeouts: 5
            data_trackers: 11
              segs_queued: 11
            segs_released: 11
          client_cleanups: 6
          server_cleanups: 6
--------------------------------------------------
stream_udp
                 sessions: 19
                      max: 19
                  created: 37
                 released: 37
                 timeouts: 18
--------------------------------------------------
wizard
                udp_scans: 44
--------------------------------------------------
Summary Statistics
--------------------------------------------------
process
                  signals: 1
--------------------------------------------------
timing
                  runtime: 00:02:52
                  seconds: 172.585220
                  packets: 106
                 pkts/sec: 0
o")~   Snort exiting


On 7/25/2017 12:28 AM, Russ via Snort-users wrote:
Need more data to help you. Please try a simple test and send the shutdown stats. Also, until you get things going, you might want to try -A cmg instead of unified2. The text output is a little easier to deal with. Since you have DHCP you may want to disable 116:412 which you show below.


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