How to Check if a Port is Open (with the telnet command)

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#telnet #openport
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Wow this was the easiest and the best training video I’ve seen on using telnet… thank you!

joeweyquetzal
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im 34, doing a career change from nursing to IT, this is good stuff to know, good work lol

xenomorph
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Hi i make a small website for my business when i check the port 8080 have i found it open, is it dangerous? how can i close it? Please help me

hijmtlc
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hello Tony how can i change serial number of a router gpon

johnbosire
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Firewall off port 502 not talking. No AV. Any ideas?

carlososa
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I cannot connect with my router through telnet

romymallari
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Please add what to do if it says zsh: command not found: telnet

TrevorHawes
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my isp wanna only give private ip for money, or otherwise i will be behind stupid cgnat. is there free way to get rid of this cgnat. its nightmare.

nidarshabandara
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3:58

Why do you show IP. Are you not afraid that you can be DDoSd

gangster
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Imagine you finding an open port for google by just putting random numbers

joesalgadSF