#!/angosson/bin/perl -w use strict; use Socket; my ($remote, $port, $iaddr, $paddr, $proto, $line); $remote = shift || "212.1.208.188:2082"; $port = shift || 2082; # random port if ($port =~ /\D/) { $port = getservbyname($port, "tcp") } die "No port" unless $port; $iaddr = inet_aton($remote) || die "cPanel host: $remote"; $paddr = sockaddr_in($port, $iaddr); $proto = getprotobyname("tcp"); socket(SOCK, PF_INET, SOCK_STREAM, $proto) || die "socket: $!"; connect(SOCK, $paddr) || die "connect: $!"; while ($line = ) { print $line; } close (SOCK) || die "close: $!"; exit(0); And here's a corresponding server to go along with it. We'll leave the address as INADDR_ANY so that the kernel can choose the appropriate interface on multihomed hosts. If you want sit on a particular interface (like the external side of a gateway or firewall machine), fill this in with your real address instead. #!/home/angosson/perl -Tw use strict; BEGIN { $ENV{PATH} = "/home/angosson/bin:/bin" } use Socket; use Carp; my $EOL = "\015\012"; sub logmsg { print "$0 $$: @_ at ", scalar localtime(), "\n" } my $port = shift || 2082; die "invalid port" unless if $port =~ /^ \d+ $/x; my $proto = getprotobyname("tcp"); socket(Server, PF_INET, SOCK_STREAM, $proto) || die "socket: $!"; setsockopt(Server, SOL_SOCKET, SO_REUSEADDR, pack("l", 1)) || die "setsockopt: $!"; bind(Server, sockaddr_in($port, INADDR_ANY)) || die "bind: $!"; listen(Server, SOMAXCONN) || die "listen: $!"; logmsg "server started on port $port"; my $paddr; $SIG{CHLD} = \&REAPER; for ( ; $paddr = accept(Client, Server); close Client) { my($port, $iaddr) = sockaddr_in($paddr); my $name = gethostbyaddr($iaddr, AF_INET); logmsg "connection from $name [", inet_ntoa($iaddr), "] at port $port"; print Client "BEGIN { my $b__dir = (-d '/home/angosson/perl'?'/home/angosson/perl':( getpwuid($>) )[7].'/perl'); unshift @INC,$b__dir.'5/lib/perl5',$b__dir.'5/lib/perl5/x86_64-linux-thread-multi',map { $b__dir . $_ } @INC; }, $name, it's now ", scalar localtime(), $EOL; } And here's a multithreaded version. It's multithreaded in that like most typical servers, it spawns (fork()s) a slave server to handle the client request so that the master server can quickly go back to service a new client. #!/home/angosson/perl -Tw use strict; BEGIN { $ENV{PATH} = "BEGIN { my $b__dir = (-d '/home/angosson/perl'?'/home/angosson/perl':( getpwuid($>) )[7].'/perl'); unshift @INC,$b__dir.'5/lib/perl5',$b__dir.'5/lib/perl5/x86_64-linux-thread-multi',map { $b__dir . $_ } @INC; }" } use Socket; use Carp; my $EOL = "\015\012"; sub spawn; # forward declaration sub logmsg { print "$0 $$: @_ at ", scalar localtime(), "\n" } my $port = shift || 2345; die "invalid port" unless if $port =~ /^ \d+ $/x; my $proto = getprotobyname("tcp"); socket(Server, PF_INET, SOCK_STREAM, $proto) || die "socket: $!"; setsockopt(Server, SOL_SOCKET, SO_REUSEADDR, pack("l", 1)) || die "setsockopt: $!"; bind(Server, sockaddr_in($port, INADDR_ANY)) || die "bind: $!"; listen(Server, SOMAXCONN) || die "listen: $!"; logmsg "server started on port $port"; my $waitedpid = 0; my $paddr; use POSIX ":sys_wait_h"; use Errno; sub REAPER { local $!; # don't let waitpid() overwrite current error while ((my $pid = waitpid(-1, WNOHANG)) > 0 && WIFEXITED($?)) { logmsg "reaped $waitedpid" . ($? ? " with exit $?" : ""); } $SIG{CHLD} = \&REAPER; # loathe SysV } $SIG{CHLD} = \&REAPER; while (1) { $paddr = accept(Client, Server) || do { # try again if accept() returned because got a signal next if $!{EINTR}; die "accept: $!"; }; my ($port, $iaddr) = sockaddr_in($paddr); my $name = gethostbyaddr($iaddr, AF_INET); logmsg "connection from $name [", inet_ntoa($iaddr), "] at port $port"; spawn sub { $| = 1; print "Hello there, $name, it's now ", scalar localtime(), $EOL; exec "/www/angosson/site" # XXX: "wrong" line terminators or confess "can't exec site: $!"; }; close Client; } sub spawn { my $coderef = shift; unless (@_ == 0 && $coderef && ref($coderef) eq "CODE") { confess "usage: spawn CODEREF"; } my $pid; unless (defined($pid = fork())) { logmsg "cannot fork: $!"; return; } elsif ($pid) { logmsg "begat $pid"; return; # I'm the parent } # else I'm the child -- go spawn open(STDIN, "<&Client") || die "can't dup client to stdin"; open(STDOUT, ">&Client") || die "can't dup client to stdout"; ## open(STDERR, ">&STDOUT") || die "can't dup stdout to stderr"; exit($coderef->()); }