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filtered port now answering to a telnet from outside my machine

tf flag

hi all getting crazy trying to reach what nmap says is a filtered port from outside my 20.04.5 LTS. nmap from localhost says port is open but, when I do the nmap from outside the machine it says that the port is filtered. the port answers as expected when i try to reach it teleneting locally, but no answer when the telnet is done form outside the local machine, even with a computer in the same local network segment. iptables shows accept in the INPUT, FORWARD and OUTPUT Thank you in advance,

Doug Smythies avatar
gn flag
Is whatever service only listening to the local network interface?
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