But I definitely didn't set any rule! I even disable firewalling at all, despite the horrorific warning from the system! Anyway, I will check more carefully as soon as possible. Thanks a lot! I guess it was not a very interesting reading... On Thu, 2004-07-01 at 14:51, Yang Xiao wrote: > > -----Original Message----- > > From: Andrea Giuliano [mailto:a.giuliano@xxxxxxxxxxx] > > Sent: Thursday, July 01, 2004 4:30 AM > > To: For users of Fedora Core releases > > Subject: Tcpdump: "admin prohibited filter" > > > > > > Dear all, > > > > trying to make my ADSL connection working, I ran across this > > suspicious line in the output from "tcpdump -i ppp0": > > > > 23:50:26.876061 IP 192.168.100.1 > 82.53.151.158: icmp 36: > > host 217.144.248.190 unreachable - admin prohibited filter > > > > The output is full of such lines (you can see the whole > > output below). What do they mean? Who's the admin? Myself on > > my local host or the admin of the remote host (in other > > words, one of the ISP's admins)? > > > > Since I simply cannot use the connection, even it seems to be > > up and running, I was wondering if this messages could hide > > the actual cause of my problems: maybe my ISP has made some > > changes that prevent me from use the line effectively? > > > > Please note the following: > > > > 1) I only had the connection working for one day, June 21, on FC1. > > 2) On June 22 I upgraded to FC2, and the connection became > > slow, but still working. > > 3) Since June 23, the connection is definitely useless. No > > host can be reached, not even the DNS server of my ISP, as > > listed in the syslog after the ppp0 interface has come up. > > > > Best regards. > > > > -- > > Andrea Giuliano, Ph. D. > > ICCU - Istituto Centrale per il Catalogo Unico > > Viale Castro Pretorio 105, Rome - ITALY > > Tel. +39064989509, Fax +39064059302 > > > > > Gee, I read you message again, in it's entirety, it sounds like the host > with IPTABLES rules is yours. :P > > Yang -- Andrea Giuliano, Ph. D. ICCU - Istituto Centrale per il Catalogo Unico Viale Castro Pretorio 105, Rome - ITALY Tel. +39064989509, Fax +39064059302
