Re: NAT state not deleted after IP change (DHCP)

2005-02-07 Thread solarflux.org/pf
Cyrill Rüttimann wrote: The state of the SIP-Connection remains active in the state table after changing the IP, why? The state is not expiring immediately. If I then delete the state, the SIP-Phone registers immediately with the SIP-Proxy. Try 'set optimization aggressive' which removes state

Re: session timeout

2005-02-07 Thread Damien Miller
Tucker Bradford wrote: I'm experiencing a very annoying session timeout issue. Its most often noticed when sshing to a host behind the firewall from off site. It doesn't seem to happen when the connection is initiated from another internal network, but that could be due to some bi-directional

pf and ftp-proxy

2005-02-07 Thread Peter Fraser
Being I cannot get ftp-proxy to work for active connections. I thought (hopefully for a short time to write rules to allow just those clients to use ftp to just those servers where I had problems. So I wrote up rdr pass proto tcp from Clients to $Server1 port ftp - $Server1 port ftp rdr

Re: timeout

2005-02-07 Thread Tucker Bradford
That doesn't work. The way I interpret the results of the previous series of tests, we don't actually have a session timeout at all. There is something else going on here, but I don't know what it is. It might be a fragmentation timeout. I am stumped. Anyway, I tried the ClientAliveInterval

NAT and filtering specific requests

2005-02-07 Thread valkenar
Hi, I have a question about filtering and how it relates to NAT. Specifically, I'm wondering how to filter outbound traffic from a specific NATed host to a specific remote host. From reading the faq and a few other documents I've learned (among other things) that filtering is done after NAT. I

Re: session timeout

2005-02-07 Thread Tucker Bradford
One other thing that might be helpful, my mtu is 1485. -=Tucker Damien Miller wrote: Tucker Bradford wrote: I'm experiencing a very annoying session timeout issue. Its most often noticed when sshing to a host behind the firewall from off site. It doesn't seem to happen when the connection is

Re: NAT and filtering specific requests

2005-02-07 Thread eric
On Mon, 2005-02-07 at 09:48:38 -0800, [EMAIL PROTECTED] proclaimed... There's a Firewall/NAT router F, Local machines L and M, and a remote host R. Block on the interface that is closer to Machine L; So how about: machine_l=10.13.13.1 machine_r=172.18.43.165 block in quick on

[Fwd: Re: ftp-proxy and pf]

2005-02-07 Thread Marcos Biscaysaqu - ThePacific.net
Hi there. I tried all the ftp-proxy versions and all the possible options in inetd.conf. ftp-proxy and PF Doesn't not work with Restrict FTP clients in Active mode. please if someone has a options to make restricted FTP clients behind NAT with pf please let me know. Thanks Marcos Biscaysaqu

Re: NAT state not deleted after IP change (DHCP)

2005-02-07 Thread Cyrill Rüttimann
Hi, Try 'set optimization aggressive' which removes state entries quicker. That does not resolve the problem. I investigated some more effort: The SIP-Phone sends every 25s (default) a keep alive message to the SIP-Proxy to remain the state on the NAT'ed Firewall. So I have to lower the

Queuing problem after redirection (rdr)

2005-02-07 Thread Fotos Georgiadis
Hi! I have the following network topology: [ LAN ] [ OBSD f/w ] - DSL - [ Internet ] | \- [ DMZ ] In the DMZ I have a proxy (squid) configured and running properly on port 3128. I want to make this proxy