Dicho por pineapple:
> Ah, I could have been more clear about this, but I
> meant I blocked all the ICMP traffic my firewall
> allows.  I'm running Tiny Firewall on a WinXP Home
> install (strangely, I couldn't get Tiny to work with
> PRO) and all traffic is blocked unless it's
> specifically allowed.  So far my node seems to be
> working ok as well as my web server, mail server and
> ftp server.  I didn't consider that these messages
> could impact my network.  What outside ICMP traffic
> would you NOT block (besides PMTU as you said)?

There are always tricks happening. I can't, for example, discard
spoofed packets with Wingate because my cable ISP sends some kind of
keep-alive DHCP packets with some forgering. I discovered it the hard
way, when every hour I did get disconnected until I allowed these
packets :(

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