Date: Fri, 30 Jul 1999 18:26:53 +0200 From: Thierry Herbelot <thierry.herbelot@alcatel.fr> To: Victor <vit@email.orgus.ru> Cc: questions@FreeBSD.ORG Subject: Re: ipfw Message-ID: <37A1D24D.1E6B862C@alcatel.fr> References: <001601bedab6$58a58c60$230000c8@vit.orgus.ru>
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Hello,
you should have a look at the filter rules integrated in the userland
ppp
TfH
from the man page :
Supports packet filtering. User can define four kinds of filters:
the in
filter for incoming packets, the out filter for outgoing packets,
the
dial filter to define a dialing trigger packet and the alive filter
for
keeping a connection alive with the trigger packet.
Victor wrote:
>
> Dear Sirs.
>
> I apologize to bother you but I have to.
> The problem is I can't configure ipfw on my FreeBSD2.2.8.
> My firewall has two interfaces:
> - ed0 (ip addr 10.0.0.1) connected to the inside net
> 10.0.0.0:255.255.0.0
> - ppp0 (ip addr 200.0.0.1) connected to the Internet.
> Additionally there are squid, popper and sendmail running on the firewall
> host.
>
> The tasks are:
> 1. Inside users should get access to the sendmail and popper 10.0.0.1 25
> and 110 for inside mailing.
> 2. Inside users should get access to the Internet using proxy server
> 10.0.0.1 port 3128.
> 3. Inside users should get access to the outside mail server 200.0.0.12
> ports 25 and 110.
> 4. Inside users should get access to the outside web and ftp 200.0.0.13
> ports 80 and 21.
> 5. Only one host 200.0.0.10 can get telnet access from outside to my
> firewall 200.0.0.1 port 23.
> 6. All other things are prohibited.
>
> During a week I've tried all possible combinations but there is no result.
> Would you help me.
>
> Victor.
>
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