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TW Thomas Winter

  • Login: thomaswinter1
  • Registered on: 04/25/2023
  • Last sign in: 04/07/2026

Issues

open closed Total
Assigned issues 1 3 4
Reported issues 2 4 6

Projects

Project Roles Registered on
Suricata Developer 08/08/2023
Suricata-Update Developer 08/08/2023

Activity

12/16/2025

TW 02:16 AM Suricata Bug #8165: FTP data is not blocked with drop rule and filemd5 match
A potential problem is FTPDataStateGetTxFiles and FTPDataGetAlstateProgress do Thomas Winter

12/14/2025

TW 07:41 PM Suricata Bug #8165: FTP data is not blocked with drop rule and filemd5 match
Forgot to say, the same file over http and smtp is properly blocked where the data packet is dropped. Thomas Winter

12/12/2025

TW 04:20 AM Suricata Bug #8165 (New): FTP data is not blocked with drop rule and filemd5 match
Running suricata in IPS mode with a ftp-data drop rule to match on MD5. The event is alerted and with a drop rule, logging claims it is dropped but the FTP data packet gets through and the ftp client gets the file. The next TCP acks are ... Thomas Winter

07/21/2025

TW 11:08 PM Suricata Bug #7651: decoder/pppoe: valid packets are getting dropped as decoder.ppp.unsup_proto
Hi, I have made suricata-verify PR that contains a pcap I captured myself https://github.com/OISF/suricata-verify/pull/2607
I'll also make a suricata PR with the changes I made there. https://github.com/OISF/suricata/pull/13623
Thomas Winter

04/13/2025

TW 11:54 PM Suricata Bug #7651: decoder/pppoe: valid packets are getting dropped as decoder.ppp.unsup_proto
Locally I have made DecodePPPUncompressedProto and DecodePPPOESession just return TM_ECODE_OK for the following protocols IDs which should be expected in a PPP connection:
+ case PPP_IPCP:
+ case PPP_IPV6CP:
+ cas...
Thomas Winter

04/09/2025

TW 03:05 AM Suricata Bug #7651 (Closed): decoder/pppoe: valid packets are getting dropped as decoder.ppp.unsup_proto
After upgrading from suricata 7.0.6 to 7.0.8, we found that PPP packets were getting dropped.
The packets were getting marked as PPP_UNSUP_PROTO in DecodePPPOESession. If rules are configured as drop then the packets now get dropped.
I...
Thomas Winter

12/21/2023

TW 11:35 PM Suricata Documentation #6552: doc: add tcp timeout fix to upgrade guide
Should use "emergency-closed" not "emergency_closed" otherwise you get a deprecated warning log. Thomas Winter

12/06/2023

TW 08:30 PM Suricata Documentation #6552: doc: add tcp timeout fix to upgrade guide
Feel free to close this now. Thomas Winter

11/27/2023

TW 04:07 AM Suricata Documentation #6552: doc: add tcp timeout fix to upgrade guide
The cause was this patch c50ef8cc21 ("flow: fix TCP closed default initialization") which increased the timeout for TCP sessions in the closed state which caused flows to hang around longer causing elevated memuse which previously would ... Thomas Winter

11/24/2023

TW 04:36 AM Suricata Documentation #6552: doc: add tcp timeout fix to upgrade guide
The streamingBuffer rework seems to be a red herring. I think it just increased memuse just enough to hit the memcap. There seems to be a large change in usage between 5.0.0 and 6.0.0 - I am performing another git bisect. Thomas Winter

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