BSNL seems to have blocked port number 22 nationwide in India
The default port for SSH is port number 22 and BSNL a state-owned telecommunications company in India seems to have blocked this port number nationwide. It seems they have done this in wake of a malware attack on their ADSL modems in India. Developers using BSNL are having a hard time. As per BSNL Network team, due to recent malware attacks, some of the ports are blocked by BSNL for security reasons . As per the instructions from NOC , for port opening the following details are required from affected customers . 1)Customer Name
2)Company
3)IP details (ILL /BB/FTTH )
4)Ports to be accessed and opened
5)Purpose of the access
6)whether access would be within the country or outside the country . Kindly share the same . Thats the answer i got from BSNL