Date: Fri, 09 Jul 2004 10:29:14 +0200 From: Ian FREISLICH <if@hetzner.co.za> To: racerx@makeworld.com Cc: FreeBSD IPFW <freebsd-ipfw@freebsd.org> Subject: Re: Blackhole issues when booting into a wm. Message-ID: <E1Biqks-000DYs-00@hetzner.co.za> In-Reply-To: Message from Chris <racerx@makeworld.com> <200407081057.11657.racerx@makeworld.com>
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> Can someone explain to me why when I add blackhole to my sysctl file, booting > into a wm is slow as hell? As expected, when I comment out the tcp and udp > blackhole lines, the system responds as normal. > > Some info - > AMD 1.6 > FBSD 5.2.1-RELEASE-p9 and FBSD 4.10 The window manager (at least mine does) may be trying to resolve your machine's IP address. If you don't have a resolver listening then with blackhole turned on, your WM won't get any icmp port unreachable messages back and it will have to wait until the query times out before continuing. Maybe it's not trying to resolve, but trying to connect to some port that doesn't have a listner. Either way, you can use tcpdump on your loopback device to figure out what's going on. If that's too complicated, try adding an entry in /etc/hosts for your IP address and host name and see if that fixes it. Ian -- Ian Freislich
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