I need to open the 25 tcp port on my raspberry pi 3, i watched videos on the internet iptables nothing works, if you have a solution, using iptables or another method, that would be great. Ssh tunneling problem been faced with for years i have something that i have been dealing with for at least 4 years now. I following reccommendations i have found elsewhere i have added to host as sshd config file. Ips detection alert icmp destination unreachable 1 communication administratively prohibited from the expert community at experts exchange. After acepting the icmp traffic the ssh jumphost is working as it should. I have a linux vps that i am opening up an ssh tunnel to. You may only use this software with visual studio family products, as. After discussing this in a chat and debugged the issue, it turned out that the required directive permittunnel yes was not in place and active. Cant access screen sharing using a ssh tunnel open.
And vncx is probably blocked at the firewall, hence the message. I am halfway through a 6 months trip away from my mac at home. Ssh tunnel cant connect through existing tunnel chanel3. Until yesterday i have been able to remote control this mac using screen sharing over.