With the tremendous traffic caused by the nimdA virus, one of our really old servers couldn't keep up with the load on its web server. (Load averages hit 200 at one point.) Besides, all it really did was redirect traffic elsewhere. I threw together this perl snippet with the help of a Google search to sit on port 80 and do the redirecting more efficiently than Apache was, I think.
#!/usr/bin/perl use strict; use Socket; local $SIG{PIPE} = 'IGNORE'; my $proto = getprotobyname('tcp'); my $port = 80; socket(Server, PF_INET, SOCK_STREAM, $proto) or die "socket: $@"; setsockopt(Server, SOL_SOCKET, SO_REUSEADDR, pack("l", 1)) or die "set +sockopt: $!"; bind(Server, sockaddr_in($port, INADDR_ANY)) or die "bind: $!"; listen(Server, SOMAXCONN) or die "listen: $!"; my $paddr; $SIG{CHLD} = \&REAPER; for (; $paddr = accept(Client, Server); close Client) { print Client "HTTP/1.0 302 Over there\n"; print Client "Location: http://xxx.xxxxxx.xxx\n\n"; }

In reply to http Redirector by ginseng

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