Date: Sun, 19 Dec 1999 21:43:34 +0000 From: Ben Smithurst <ben@scientia.demon.co.uk> To: Stan Brown <stanb@netcom.com> Cc: FreeBSD Networking <freebsd-net@FreeBSD.ORG> Subject: Re: Puzzling ipfw rejections Message-ID: <19991219214334.A2246@strontium.scientia.demon.co.uk> In-Reply-To: <199912191637.IAA26258@netcom.com> References: <199912191637.IAA26258@netcom.com>
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Stan Brown wrote:
> Could some kind soul explain the following to me?
>
>
> Dec 18 11:57:19 koala /kernel: ipfw: 2300 Deny TCP 208.140.99.1:4622 24.6.61.166:113 in via ed1
> Dec 18 11:58:29 koala /kernel: ipfw: 2300 Deny TCP 208.140.99.1:4658 24.6.61.166:113 in via ed1
> Dec 18 12:09:34 koala /kernel: ipfw: 1600 Deny TCP 199.183.9.112:3904 24.6.61.166:23 in via ed1
> Dec 18 12:10:11 koala /kernel: ipfw: 1600 Deny TCP 199.183.9.112:1022 24.6.61.166:22 in via ed1
> Dec 18 12:13:16 koala /kernel: ipfw: 1400 Deny TCP 199.183.9.112:1022 24.6.61.166:22 in via ed1
> Dec 18 12:35:58 koala /kernel: ipfw: 1500 Deny TCP 199.183.9.112:4087 24.6.61.166:21 in via ed1
> Dec 18 12:36:40 koala /kernel: ipfw: 1500 Deny TCP 199.183.9.112:4087 24.6.61.166:21 in via ed1
>
> The machine in question is a new gateway machine that I am seting up
> *3.3 STABLE) using ipfw and natd. I _believe that the rejections are
> related to a script that I run that makes backups of my accounts on
> local machines. In this case the machines are netcom.com, and awod.com
> Thsi script tars up the contents, and then ftps's it back to a machine
> behind the firewall (kodiak).
>
> But I don't understand the port numbers that I am seeing here. can
> anyone give me a clue?
Take a look in /etc/services.
ftp 21/tcp #File Transfer [Control]
ssh 22/tcp #Secure Shell Login
telnet 23/tcp
auth 113/tcp ident tap #Authentication Service
The source ports aren't really important here.
--
Ben Smithurst | PGP: 0x99392F7D
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