Mailinglist Archive: opensuse-security (192 mails)

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Re: AW: [suse-security] IPChains
On Fre, 26 Mai 2000 Bauer, Juergen wrote about AW: [suse-security] IPChains:
>
> hi folks,
>  
> i just wanted to say that you should keep in mind that there are different
> implementations for ping/traceroute.
> windows clients are using icmp packets while linux is using udp packets on
> port 33434+ (afair).
> so just try to ping through your firewall from a windows client. it should
> work if you set up 
> ipchains to masq icmp echo-request packets and accept incoming echo-replys.
>  
> greets
>  
> jb
>
> -----Ursprüngliche Nachricht-----
> Von: Gerling, Stephan [mailto:gerling@xxxxxx]
> Gesendet: Donnerstag, 25. Mai 2000 12:40
> An: 'suse-security@xxxxxxxx'
> Betreff: [suse-security] IPChains
>
>
>
> Hi list,
> I'am trying to set up an firewall with IPCHAINS.
> If the IPCHAINS-Script is not started, i kann do everything. (i use the same
> script on an other
> maschine and it works very fine and i want to change the maschines)
> But now wenn i start the script, the rules are loaded, but i cannot ping to
> the outside
>
> here the error messages
>                 ping wrote  xxx.xxx.xxx.xxx 64 chars, ret=-1
>                 ping sendto :Operating is not permitted
>
> ip-forwarding is enabled.
>
> Has anyone an idea. I'm going sick about this
>
> regards,    Stephan Gerling
>
>

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Martin Peikert EN 636
Fachgebiet Theoretische Elektrotechnik TU Berlin
Sekretariat EN 2 fon 314-23881 fax 314-22284
http://www-tet.ee.tu-berlin.de/peikert/index.html
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