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0

Background

I use a 4096-bit RSA key-pair for authorizing access to my server. By ssh_config files I am referring to ~/.ssh/config and /etc/ssh/ssh_config.

Here's what my ~/.ssh/config looks like:

Host gg-root

    HostName 172.47.95.122



Host ss-root

    HostName 172.47.95.123



# Common for my servers

Host ds-root tm-root

    User root

    Port 32001

    IdentitiesOnly yes

    IdentityFile ~/.ssh/id_rsa_bull



# Common for all

Host *

    AddKeysToAgent yes

Now, I can simply connect to my server via SSH with the following (without any further configuration):

ssh gg-root

ssh ss-root

Thing is, I need to add the private key ~/.ssh/id_rsa_bull to the system's SSH agent to make it easily available to other apps like FileZilla which I use for SFTP. (Esp. because I don't like that FileZilla needs an unencrypted private key as .ppk.)

So, I either run this command each time:

ssh-add ~/.ssh/id_rsa_pepper

Or have this in my ~/.profile:

ssh-add ~/.ssh/id_rsa_pepper > /dev/null 2>&1

Question

When I add the key to the system's SSH agent using ssh-add, does it honor the declarations I've made in ssh_config file(s)? Specifically, does it make sure that ~/.ssh/id_rsa_pepper is only used for 172.47.95.{122,123}?

Based on how I interpreted what I read, I believe it should. If I am wrong, please enlighten me as to how I should go about adding a private key to the system's SSH agent where the said private key is only used for stated hosts?

ssh openssh key-authentication ssh-agent ssh-config

share|improve this question

asked 53 mins ago

its_meits_me

5,7531818 gold badges4747 silver badges4949 bronze badges

add a comment | 

0

Background

I use a 4096-bit RSA key-pair for authorizing access to my server. By ssh_config files I am referring to ~/.ssh/config and /etc/ssh/ssh_config.

Here's what my ~/.ssh/config looks like:

Host gg-root

    HostName 172.47.95.122



Host ss-root

    HostName 172.47.95.123



# Common for my servers

Host ds-root tm-root

    User root

    Port 32001

    IdentitiesOnly yes

    IdentityFile ~/.ssh/id_rsa_bull



# Common for all

Host *

    AddKeysToAgent yes

Now, I can simply connect to my server via SSH with the following (without any further configuration):

ssh gg-root

ssh ss-root

Thing is, I need to add the private key ~/.ssh/id_rsa_bull to the system's SSH agent to make it easily available to other apps like FileZilla which I use for SFTP. (Esp. because I don't like that FileZilla needs an unencrypted private key as .ppk.)

So, I either run this command each time:

ssh-add ~/.ssh/id_rsa_pepper

Or have this in my ~/.profile:

ssh-add ~/.ssh/id_rsa_pepper > /dev/null 2>&1

Question

When I add the key to the system's SSH agent using ssh-add, does it honor the declarations I've made in ssh_config file(s)? Specifically, does it make sure that ~/.ssh/id_rsa_pepper is only used for 172.47.95.{122,123}?

Based on how I interpreted what I read, I believe it should. If I am wrong, please enlighten me as to how I should go about adding a private key to the system's SSH agent where the said private key is only used for stated hosts?

ssh openssh key-authentication ssh-agent ssh-config

share|improve this question

asked 53 mins ago

its_meits_me

5,7531818 gold badges4747 silver badges4949 bronze badges

add a comment | 

Background

I use a 4096-bit RSA key-pair for authorizing access to my server. By ssh_config files I am referring to ~/.ssh/config and /etc/ssh/ssh_config.

Here's what my ~/.ssh/config looks like:

Host gg-root

    HostName 172.47.95.122



Host ss-root

    HostName 172.47.95.123



# Common for my servers

Host ds-root tm-root

    User root

    Port 32001

    IdentitiesOnly yes

    IdentityFile ~/.ssh/id_rsa_bull



# Common for all

Host *

    AddKeysToAgent yes

Now, I can simply connect to my server via SSH with the following (without any further configuration):

ssh gg-root

ssh ss-root

Thing is, I need to add the private key ~/.ssh/id_rsa_bull to the system's SSH agent to make it easily available to other apps like FileZilla which I use for SFTP. (Esp. because I don't like that FileZilla needs an unencrypted private key as .ppk.)

So, I either run this command each time:

ssh-add ~/.ssh/id_rsa_pepper

Or have this in my ~/.profile:

ssh-add ~/.ssh/id_rsa_pepper > /dev/null 2>&1

Question

When I add the key to the system's SSH agent using ssh-add, does it honor the declarations I've made in ssh_config file(s)? Specifically, does it make sure that ~/.ssh/id_rsa_pepper is only used for 172.47.95.{122,123}?

Based on how I interpreted what I read, I believe it should. If I am wrong, please enlighten me as to how I should go about adding a private key to the system's SSH agent where the said private key is only used for stated hosts?

ssh openssh key-authentication ssh-agent ssh-config

share|improve this question

asked 53 mins ago

its_meits_me

5,7531818 gold badges4747 silver badges4949 bronze badges

Host gg-root

    HostName 172.47.95.122



Host ss-root

    HostName 172.47.95.123



# Common for my servers

Host ds-root tm-root

    User root

    Port 32001

    IdentitiesOnly yes

    IdentityFile ~/.ssh/id_rsa_bull



# Common for all

Host *

    AddKeysToAgent yes

ssh gg-root

ssh ss-root

ssh-add ~/.ssh/id_rsa_pepper

ssh-add ~/.ssh/id_rsa_pepper > /dev/null 2>&1

share|improve this question

asked 53 mins ago

its_meits_me

5,7531818 gold badges4747 silver badges4949 bronze badges

share|improve this question

asked 53 mins ago

its_meits_me

5,7531818 gold badges4747 silver badges4949 bronze badges

asked 53 mins ago

its_meits_me

5,7531818 gold badges4747 silver badges4949 bronze badges

asked 53 mins ago

its_meits_me

5,7531818 gold badges4747 silver badges4949 bronze badges