How can I specific local port when establish ssh connection?How do I tunnel SSH over SSH?SSH client...
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How can I specific local port when establish ssh connection?
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I have two servers hosted in IDC. I can only use these port 20/21/22/23/3389/33101-33109 to establish connection between two server. The IDC network device will block any other package which source port or destination port not in 20/21/22/23/80/3389/33101-33109. But the source port of ssh is random. There is wild known that using command
ssh username@server -p remote_port
can easily specific remote port. So is there a parament or some way can specific local port so I can using maybe port 33101 to eastablish ssh connection?
My network topo just like this:
ssh
asked 1 hour ago
fajin yufajin yu
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I have two servers hosted in IDC. I can only use these port 20/21/22/23/3389/33101-33109 to establish connection between two server. The IDC network device will block any other package which source port or destination port not in 20/21/22/23/80/3389/33101-33109. But the source port of ssh is random. There is wild known that using command
ssh username@server -p remote_port
can easily specific remote port. So is there a parament or some way can specific local port so I can using maybe port 33101 to eastablish ssh connection?
My network topo just like this:
ssh
asked 1 hour ago
fajin yufajin yu
1
New contributor
fajin yu 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 |
I have two servers hosted in IDC. I can only use these port 20/21/22/23/3389/33101-33109 to establish connection between two server. The IDC network device will block any other package which source port or destination port not in 20/21/22/23/80/3389/33101-33109. But the source port of ssh is random. There is wild known that using command
ssh username@server -p remote_port
can easily specific remote port. So is there a parament or some way can specific local port so I can using maybe port 33101 to eastablish ssh connection?
My network topo just like this:
ssh
asked 1 hour ago
fajin yufajin yu
1
New contributor
fajin yu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I have two servers hosted in IDC. I can only use these port 20/21/22/23/3389/33101-33109 to establish connection between two server. The IDC network device will block any other package which source port or destination port not in 20/21/22/23/80/3389/33101-33109. But the source port of ssh is random. There is wild known that using command
ssh username@server -p remote_port
can easily specific remote port. So is there a parament or some way can specific local port so I can using maybe port 33101 to eastablish ssh connection?
My network topo just like this:
ssh
ssh
asked 1 hour ago
fajin yufajin yu
1
New contributor
fajin yu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 hour ago
fajin yufajin yu
1
New contributor
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Check out our Code of Conduct.
asked 1 hour ago
fajin yufajin yu
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asked 1 hour ago
fajin yufajin yu
1
asked 1 hour ago
fajin yufajin yu
1
1
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you can not specify the source port for ssh client.
but you can use nc as a proxy, like this:
ssh -p 33101 -o 'ProxyCommand nc -p 33101 %h %p' $SERVER_2
refer:
https://serverfault.com/questions/920007/how-can-i-set-the-source-port-for-ssh-on-unbuntu-server
answered 4 mins ago
PapErPapEr
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1 Answer
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you can not specify the source port for ssh client.
but you can use nc as a proxy, like this:
ssh -p 33101 -o 'ProxyCommand nc -p 33101 %h %p' $SERVER_2
refer:
https://serverfault.com/questions/920007/how-can-i-set-the-source-port-for-ssh-on-unbuntu-server
answered 4 mins ago
PapErPapEr
11 bronze badge
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you can not specify the source port for ssh client.
but you can use nc as a proxy, like this:
ssh -p 33101 -o 'ProxyCommand nc -p 33101 %h %p' $SERVER_2
refer:
https://serverfault.com/questions/920007/how-can-i-set-the-source-port-for-ssh-on-unbuntu-server
answered 4 mins ago
PapErPapEr
11 bronze badge
New contributor
PapEr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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you can not specify the source port for ssh client.
but you can use nc as a proxy, like this:
ssh -p 33101 -o 'ProxyCommand nc -p 33101 %h %p' $SERVER_2
refer:
https://serverfault.com/questions/920007/how-can-i-set-the-source-port-for-ssh-on-unbuntu-server
answered 4 mins ago
PapErPapEr
11 bronze badge
New contributor
PapEr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
you can not specify the source port for ssh client.
but you can use nc as a proxy, like this:
ssh -p 33101 -o 'ProxyCommand nc -p 33101 %h %p' $SERVER_2
refer:
https://serverfault.com/questions/920007/how-can-i-set-the-source-port-for-ssh-on-unbuntu-server
answered 4 mins ago
PapErPapEr
11 bronze badge
New contributor
PapEr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 4 mins ago
PapErPapEr
11 bronze badge
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PapEr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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answered 4 mins ago
PapErPapEr
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answered 4 mins ago
PapErPapEr
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11 bronze badge
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fajin yu is a new contributor. Be nice, and check out our Code of Conduct.
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