Gentoo Archives: gentoo-user

From: Michael Orlitzky <michael@××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Strange outbound requests
Date: Sun, 22 Jan 2012 18:47:12
Message-Id: 4F1C595B.5010700@orlitzky.com
In Reply to: Re: [gentoo-user] Strange outbound requests by Grant
1 On 01/22/2012 12:54 PM, Grant wrote:
2 >>
3 >> `watch` isn't going to help too much unless you're looking at it. Append the
4 >> output to some log file instead. I chose netstat because its output looked
5 >> easier to parse with a stupid regexp.
6 >>
7 >> while true; do
8 >> netstat -antp | grep ':993 '>> mystery.log;
9 >> sleep 1;
10 >> done;
11 >>
12 >> You'll want to change the port -- I tested to make sure that was really
13 >> logging my Thunderbird connections.
14 >
15 > I'm still getting the blocked outbound requests to port 3680 on my
16 > firewall and I'm running the above script (changed 993 to 3680) on the
17 > local system indicated by SRC in the firewall log, but mystery.log
18 > remains empty. I tested the script with other ports and it seems to
19 > be working fine.
20 >
21 > Also the MAC indicated in the firewall log is 14 blocks long and the
22 > local system in question has a MAC address 6 blocks long according to
23 > ifconfig, but the 6 blocks from ifconfig do match 6 of the blocks
24 > reported by the firewall.
25 >
26 > Does this make sense to anyone?
27 >
28
29 Are you running it as root? If not, you could be missing some connections.
30
31 I also typed the 't' in netstat out of habit -- that limits the output
32 to tcp connections. You can remove it to catch the UDP ones.

Replies

Subject Author
Re: [gentoo-user] Strange outbound requests Grant <emailgrant@×××××.com>