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Gurpartap/1-port-22-bsnl.sh

Last active October 28, 2017 10:53
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Proof of port 22 blocked by BSNL
Raw
1-port-22-bsnl.sh
# With BSNL Broadband (8Mbps 2841 plan), outgoing connections on
# *port 22* (ssh) consistently time out. This happens on all servers,
# not necessarily github.com.
$ telnet github.com 22
Trying 192.30.255.112...
telnet: connect to address 192.30.255.112: Operation timed out
Trying 192.30.255.113...
telnet: connect to address 192.30.255.113: Operation timed out
telnet: Unable to connect to remote host
❌
$ telnet github.com 22
Trying 192.30.255.112...
telnet: connect to address 192.30.255.112: Operation timed out
Trying 192.30.255.113...
telnet: connect to address 192.30.255.113: Operation timed out
telnet: Unable to connect to remote host
❌
# Connecting to *port 80* (http/web) works as expected.
$ telnet github.com 80
Trying 192.30.255.113...
Connected to github.com.
Escape character is '^]'.
✅
Raw
2-port-22-airtel.sh
# With Airtel 4G Home plan, outgoing connections on port 22
# works as expected.
$ telnet github.com 22
Trying 192.30.255.112...
Connected to github.com.
Escape character is '^]'.
SSH-2.0-libssh_0.7.0
✅
$ telnet github.com 22
Trying 192.30.255.112...
Connected to github.com.
Escape character is '^]'.
SSH-2.0-libssh_0.7.0
✅
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