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Simple client / server with nc not working
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Why is the following not working?
I have a freshly installed Debian 9 system. iptables is wide-open:
[···]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
I log in on two separate consoles (well, two separate ssh logins). In one of them, I run:
[···]# nc -l 11115
Then, I go to the other console, and run:
[···]# nc localhost 11115
and I get a Connection refused error:
[···]# nc localhost 11115
localhost [127.0.0.1] 11115 (?) : Connection refused
I also tried nc 127.0.0.1 11115, tried with telnet --- always Connection refused.
On the "listening" side, I also tried nc -l localhost 11115 --- no difference.
What am I missing or doing wrong?
linux-networking nc
asked 4 mins ago
Cal-linuxCal-linux
101
New contributor
Cal-linux is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Why is the following not working?
I have a freshly installed Debian 9 system. iptables is wide-open:
[···]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
I log in on two separate consoles (well, two separate ssh logins). In one of them, I run:
[···]# nc -l 11115
Then, I go to the other console, and run:
[···]# nc localhost 11115
and I get a Connection refused error:
[···]# nc localhost 11115
localhost [127.0.0.1] 11115 (?) : Connection refused
I also tried nc 127.0.0.1 11115, tried with telnet --- always Connection refused.
On the "listening" side, I also tried nc -l localhost 11115 --- no difference.
What am I missing or doing wrong?
linux-networking nc
asked 4 mins ago
Cal-linuxCal-linux
101
New contributor
Cal-linux is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Why is the following not working?
I have a freshly installed Debian 9 system. iptables is wide-open:
[···]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
I log in on two separate consoles (well, two separate ssh logins). In one of them, I run:
[···]# nc -l 11115
Then, I go to the other console, and run:
[···]# nc localhost 11115
and I get a Connection refused error:
[···]# nc localhost 11115
localhost [127.0.0.1] 11115 (?) : Connection refused
I also tried nc 127.0.0.1 11115, tried with telnet --- always Connection refused.
On the "listening" side, I also tried nc -l localhost 11115 --- no difference.
What am I missing or doing wrong?
linux-networking nc
asked 4 mins ago
Cal-linuxCal-linux
101
New contributor
Cal-linux is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Why is the following not working?
I have a freshly installed Debian 9 system. iptables is wide-open:
[···]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
I log in on two separate consoles (well, two separate ssh logins). In one of them, I run:
[···]# nc -l 11115
Then, I go to the other console, and run:
[···]# nc localhost 11115
and I get a Connection refused error:
[···]# nc localhost 11115
localhost [127.0.0.1] 11115 (?) : Connection refused
I also tried nc 127.0.0.1 11115, tried with telnet --- always Connection refused.
On the "listening" side, I also tried nc -l localhost 11115 --- no difference.
What am I missing or doing wrong?
linux-networking nc
linux-networking nc
asked 4 mins ago
Cal-linuxCal-linux
101
New contributor
Cal-linux is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 mins ago
Cal-linuxCal-linux
101
New contributor
Cal-linux is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 mins ago
Cal-linuxCal-linux
101
New contributor
Cal-linux is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 mins ago
Cal-linuxCal-linux
101
asked 4 mins ago
Cal-linuxCal-linux
101
101
New contributor
Cal-linux is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Cal-linux is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Cal-linux is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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