Hi!

no, thats not the problem, icmp echo replys are allowed and I can ping
myself from another host in the internet.

bye

        CB

----- Original Message -----
From: "Alexander Bien" <abiengmx.net>
To: "Christian Bohn" <cbohnuni-mannheim.de>
Sent: Wednesday, January 31, 2001 3:10 PM
Subject: RE: [suse-security] SuSEFirewall slows down connection

>
> Are u sure u allow icmp echo replys?
> So the other host can ping you ?
> Check that please.. then try again .. and maybe it will work faster this
> time.
>
> Many hosts (specilly smtp servers) first ping the other host to see if its
> still alive..
>
>
> --
>
> Mit freundlichen Grüßen
>
> Alexander Bien
>
> --
> PIRONET NDH
> Alexander Bien - Technical Assistant - SBU Services
> Josef-Lammerting-Allee 14-18, 50933 Cologne - Germany
> Tel.: +49 (0)172 7760569 - Fax: +49 (0)221 770 2815
> mailto:abienpironet.com - http://www.pironet.com
>
>
> > -----Original Message-----
> > From: Christian Bohn [mailto:cbohnuni-mannheim.de]
> > Sent: Wednesday, January 31, 2001 3:04 PM
> > To: suse-securitysuse.de
> > Subject: [suse-security] SuSEFirewall slows down connection
> >
> >
> > Hi!
> >
> > I encountered the following problem with the SuSEfirewall-skript:
> >
> > First of all, my configuration:
> > I've got a Linux Box (SuSE 6.4) running as a DSL-Router (incl.
> > Masquerading)
> > for an internal Network.
> > The firewall-skript (which Version doesn't really matter, I've tried out
> > several versions, including the newest form Marc's Website) is
> > installed on
> > that Linux-Box.
> >
> > The Problem:
> > HTTP & SSH are working well but when I try to connect to a
Internet-Server
> > via FTP, POP(sometimes) or SMTP it takes a long time (ca. 20sec)
> > until data
> > is transferred although the connection itself is established
immediately.
> > I do not think that it is a DNS problem, reverse&forward lookups
> > are working
> > well.
> > Although I think that it has nothing to do with masquerading because if
I
> > work on the server console, the problem also occurs.
> > If I shut down the firewall, everything is working fine!
> >
> >
> > I hope somebody can help me an that this is not a FAQ ;-)
> >
> > bye
> >
> > Christian Bohn
> >
> >
> >
> >
> >
> >
> >
> >
> > ---------------------------------------------------------------------
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> > For additional commands, e-mail: suse-security-helpsuse.com
> >
>

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