Pass SSH Escape into nested SSH session
Suppose I ssh from my laptop to a server alpha
, then from there ssh to a server beta
.
If the connection from alpha
to beta
dies, is it possible to pass SSH's escape (~.
) across the ssh connection from my laptop to alpha
, to the ssh client connected to beta
?
ssh
add a comment |
Suppose I ssh from my laptop to a server alpha
, then from there ssh to a server beta
.
If the connection from alpha
to beta
dies, is it possible to pass SSH's escape (~.
) across the ssh connection from my laptop to alpha
, to the ssh client connected to beta
?
ssh
add a comment |
Suppose I ssh from my laptop to a server alpha
, then from there ssh to a server beta
.
If the connection from alpha
to beta
dies, is it possible to pass SSH's escape (~.
) across the ssh connection from my laptop to alpha
, to the ssh client connected to beta
?
ssh
Suppose I ssh from my laptop to a server alpha
, then from there ssh to a server beta
.
If the connection from alpha
to beta
dies, is it possible to pass SSH's escape (~.
) across the ssh connection from my laptop to alpha
, to the ssh client connected to beta
?
ssh
ssh
asked Dec 4 '14 at 15:10
Matthew G.Matthew G.
12112
12112
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
I think man ssh
says it all:
-e escape_char
Sets the escape character for sessions with a pty (default: ‘~’).
The escape character is only recognized at the beginning of a
line. The escape character followed by a dot (‘.’) closes the
connection; followed by control-Z suspends the connection; and
followed by itself sends the escape character once. Setting the
character to “none” disables any escapes and makes the session
fully transparent.
You need to send ~~.
Alternatively you could change the escape character for every ssh hop you take with ssh -e escape_char
.
You can also specify it as a runtime option; e.g. -o EscapeChar=:
Thus you may also add it to your client config file ${HOME}/.ssh/config
.
add a comment |
Your Answer
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "3"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fsuperuser.com%2fquestions%2f848492%2fpass-ssh-escape-into-nested-ssh-session%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
I think man ssh
says it all:
-e escape_char
Sets the escape character for sessions with a pty (default: ‘~’).
The escape character is only recognized at the beginning of a
line. The escape character followed by a dot (‘.’) closes the
connection; followed by control-Z suspends the connection; and
followed by itself sends the escape character once. Setting the
character to “none” disables any escapes and makes the session
fully transparent.
You need to send ~~.
Alternatively you could change the escape character for every ssh hop you take with ssh -e escape_char
.
You can also specify it as a runtime option; e.g. -o EscapeChar=:
Thus you may also add it to your client config file ${HOME}/.ssh/config
.
add a comment |
I think man ssh
says it all:
-e escape_char
Sets the escape character for sessions with a pty (default: ‘~’).
The escape character is only recognized at the beginning of a
line. The escape character followed by a dot (‘.’) closes the
connection; followed by control-Z suspends the connection; and
followed by itself sends the escape character once. Setting the
character to “none” disables any escapes and makes the session
fully transparent.
You need to send ~~.
Alternatively you could change the escape character for every ssh hop you take with ssh -e escape_char
.
You can also specify it as a runtime option; e.g. -o EscapeChar=:
Thus you may also add it to your client config file ${HOME}/.ssh/config
.
add a comment |
I think man ssh
says it all:
-e escape_char
Sets the escape character for sessions with a pty (default: ‘~’).
The escape character is only recognized at the beginning of a
line. The escape character followed by a dot (‘.’) closes the
connection; followed by control-Z suspends the connection; and
followed by itself sends the escape character once. Setting the
character to “none” disables any escapes and makes the session
fully transparent.
You need to send ~~.
Alternatively you could change the escape character for every ssh hop you take with ssh -e escape_char
.
You can also specify it as a runtime option; e.g. -o EscapeChar=:
Thus you may also add it to your client config file ${HOME}/.ssh/config
.
I think man ssh
says it all:
-e escape_char
Sets the escape character for sessions with a pty (default: ‘~’).
The escape character is only recognized at the beginning of a
line. The escape character followed by a dot (‘.’) closes the
connection; followed by control-Z suspends the connection; and
followed by itself sends the escape character once. Setting the
character to “none” disables any escapes and makes the session
fully transparent.
You need to send ~~.
Alternatively you could change the escape character for every ssh hop you take with ssh -e escape_char
.
You can also specify it as a runtime option; e.g. -o EscapeChar=:
Thus you may also add it to your client config file ${HOME}/.ssh/config
.
edited Jan 22 at 14:32
answered Dec 4 '14 at 15:19
Werner HenzeWerner Henze
3,96031229
3,96031229
add a comment |
add a comment |
Thanks for contributing an answer to Super User!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fsuperuser.com%2fquestions%2f848492%2fpass-ssh-escape-into-nested-ssh-session%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown