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nithir / Tester si un port est ouvert sans outils spécifique

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bash outils port reseau shell tcp
1 timeout 2 bash -c '</dev/tcp/91.121.61.180/443 && echo Port is open || echo Port is closed' || echo Connection timeout Port is open ~
2
3 timeout 2 bash -c '</dev/tcp/91.121.61.180/444 && echo Port is open || echo Port is closed' || echo Connection timeout bash: connect: Connexion refusée
4 bash: /dev/tcp/91.121.61.180/444: Connexion refusée Port is closed
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nithir / Scanner de port en perl

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perl port scanner
1 #!/usr/bin/perl
2 # Easy port scanner
3 # I wrote this in the 90s to help learn socket programming
4 # ./quickscan -h for usage
5 use Socket;
6 $| = 1; # so \r works right
7 my ($ip, $protocol, $port, $myhouse, $yourhouse, $log);
8 $protocol = getprotobyname('tcp');
9 ($ip, $port, $port_stop, $log) = @ARGV;
10 if ($ip eq "-h") {
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