Gentoo Archives: gentoo-user

From: James <wireless@×××××××××××.com>
To: gentoo-user@l.g.o
Subject: [gentoo-user] Re: TCP listen overflows
Date: Wed, 14 Oct 2015 17:19:24
Message-Id: loom.20151014T191218-4@post.gmane.org
In Reply to: [gentoo-user] TCP listen overflows by Grant
1 Grant <emailgrant <at> gmail.com> writes:
2
3
4 > My site when down for about 10 minutes recently and the only
5 > interesting thing I see in the munin graphs is a massive spike in "TCP
6 > socket buffer errors", specifically "Listen overflows" at exactly the
7 > same time. Is that a clue or just a result of the downtime? Nothing
8 > in the logs.
9
10
11 Hard to tell. What I have done in the past is install a hub/switch
12 outside your firewall/DMZ with several systems to perform 'mock tests'
13 via standard penetration tests, packet flooding, DoS, etc etc depending
14 on your suspicions, and pound on your net
15
16 Pentoo linux is also an excellent tool.
17
18
19 hth,
20 James

Replies

Subject Author
Re: [gentoo-user] Re: TCP listen overflows Adam Carter <adamcarter3@×××××.com>