Ubuntu/openssh - Revision history

R00t at 01:33, 9 March 2023

2023-03-09T01:33:50Z

2022-01-26T18:28:48Z

2022-01-26T14:25:44Z

2017-01-10T20:35:27Z

‎fixing quick time-out

2017-01-10T20:31:37Z

2016-09-23T16:05:45Z

2014-04-24T00:56:09Z

2014-04-24T00:38:46Z

‎sftp

2014-04-24T00:38:26Z

Can't load revision 290

2013-11-25T18:18:09Z

Can't load revision 191

@@ Line 53: / Line 53: @@
 '''ClientAliveInterval''': number of seconds that the server will wait before sending a null packet to the client (to keep the connection alive).<br>
 '''ClientAliveCountMax''': This is the limit of how long a client are allowed to stay unresponsive before being disconnected. The default value is 3
 ==Connecting through a ssh tunnel==

← Older revision		Revision as of 18:28, 26 January 2022
Line 57:		Line 57:
	This assumes the public and private keys are on the originating machine and the public key is added to the authorized key files on both the tunnel and destination servers.		This assumes the public and private keys are on the originating machine and the public key is added to the authorized key files on both the tunnel and destination servers.
	<nowiki>~$ ssh -i ~/.ssh/id_ed25519 -J username@tunnel username@detination</nowiki>		<nowiki>~$ ssh -i ~/.ssh/id_ed25519 -J username@tunnel username@detination</nowiki>
		+	scp through ssh proxy
		+	<nowiki>~$ scp -i ~/.ssh/id_ed25519 -o ProxyJump=user@proxyserver ./sourcefile user@destinationserver:/destinationfile</nowiki>

← Older revision		Revision as of 14:25, 26 January 2022
Line 53:		Line 53:
	'''ClientAliveInterval''': number of seconds that the server will wait before sending a null packet to the client (to keep the connection alive).<br>		'''ClientAliveInterval''': number of seconds that the server will wait before sending a null packet to the client (to keep the connection alive).<br>
	'''ClientAliveCountMax''': This is the limit of how long a client are allowed to stay unresponsive before being disconnected. The default value is 3		'''ClientAliveCountMax''': This is the limit of how long a client are allowed to stay unresponsive before being disconnected. The default value is 3
		+
		+	==Connecting through a ssh tunnel==
		+	This assumes the public and private keys are on the originating machine and the public key is added to the authorized key files on both the tunnel and destination servers.
		+	<nowiki>~$ ssh -i ~/.ssh/id_ed25519 -J username@tunnel username@detination</nowiki>

@@ Line 51: / Line 51: @@
 ~$ sudo service sshd restart</nowiki>
-'''ServerAliveInterval''': number of seconds that the client will wait before sending a null packet to the server (to keep the connection alive).<br>
+'''ClientAliveInterval''': number of seconds that the server will wait before sending a null packet to the client (to keep the connection alive).<br>
-'''ClientAliveInterval''': number of seconds that the server will wait before sending a null packet to the client (to keep the connection alive).
+'''ClientAliveCountMax''': This is the limit of how long a client are allowed to stay unresponsive before being disconnected. The default value is 3

← Older revision		Revision as of 20:31, 10 January 2017
Line 51:		Line 51:

	~$ sudo service sshd restart</nowiki>		~$ sudo service sshd restart</nowiki>
		+	'''ServerAliveInterval''': number of seconds that the client will wait before sending a null packet to the server (to keep the connection alive).<br>
		+	'''ClientAliveInterval''': number of seconds that the server will wait before sending a null packet to the client (to keep the connection alive).

← Older revision		Revision as of 16:05, 23 September 2016
Line 42:		Line 42:
	>sudo chown sftpuser:sftpuser /home/sftpuser/public		>sudo chown sftpuser:sftpuser /home/sftpuser/public
	>sudo chmod 777 /home/sftpuser/public		>sudo chmod 777 /home/sftpuser/public
		+
		+
		+	==fixing quick time-out==
		+	<nowiki>~$ sudo vi /etc/sshd/sshd_config
		+	uncomment or add:
		+	ClientAliveInterval 30
		+	ClientAliveCountMax 5
		+
		+	~$ sudo service sshd restart</nowiki>

@@ Line 12: / Line 12: @@
 check to see if the service is running and listening on port 22
   sudo egrep -i sshd /var/log/*log|more
 ==sftp==

@@ Line 22: / Line 22: @@
   UsePAM yes
-  AllowGroups r00t sftpusers
+  AllowGroups john sftpusers
   Match Group sftpusers
      ChrootDirectory %h