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os:lin-net [2023/02/02 09:44]
tomas [Programy a nastroje pro komunikaci:]
os:lin-net [2024/03/12 09:40] (current)
tomas
Line 301: Line 301:
  
 ====Programy a nastroje pro komunikaci:==== ====Programy a nastroje pro komunikaci:====
 +
 +==telnet==
 +curl telnet://1.2.3.4:port ... telnet spojeni\\
 +telnet 1.2.3.4:80\\
 +nc 1.2.3.4 80\\
 +cat < /dev/tcp/127.0.0.1/22 ... otevření spojení bez síťových nástrojů\\
 +(echo > /dev/tcp/skinner/22) >/dev/null 2>&1 && echo "It's up" || echo "It's down" ... zjištění, zda je port otevžený\\
 +
  
 ==http/https== ==http/https==