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Updated Fortinet FortiOS (markdown)

Mathieu Simon 2023-09-12 08:14:23 +02:00
parent 0ddc9ae07b
commit 7c8add4ac3
1 changed files with 21 additions and 5 deletions
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26
Fortinet-FortiOS.md

@ -5,7 +5,7 @@ SSH into an appliance running FortiOS, or use a local serial connection in order
## FortiOS >= 7.4.1
```
# config system global
config system global
set ssh-enc-algo chacha20-poly1305@openssh.com aes256-gcm@openssh.com
set ssh-hostkey-algo ssh-ed25519
set ssh-kex-algo diffie-hellman-group16-sha512 diffie-hellman-group18-sha512 curve25519-sha256@libssh.org
@ -20,7 +20,7 @@ Unless you have modified the defaults, you don't need to these, but you may stil
* ``strong-crypto``: Should default to **enabled** since 6.4.5
```
# get system global | grep "ssh\|strong-crypto"
get system global | grep "ssh\|strong-crypto"
admin-ssh-grace-time: 120
admin-ssh-password : enable
admin-ssh-port : 22
@ -32,10 +32,12 @@ ssh-mac-algo : hmac-sha2-256-etm@openssh.com hmac-sha2-512-etm@openssh.co
strong-crypto : enable
```
## FortiOS 7.0.x / 7.2.x / 7.4.0
## FortiOS >= 7.0.2 / 7.2.x / 7.4.0
Starting FortiOS 7.0.2 several options have been renamed compared to previous releases.
```
# config system global
config system global
set ssh-enc-algo chacha20-poly1305@openssh.com aes256-gcm@openssh.com
set ssh-kex-algo curve25519-sha256@libssh.org
set ssh-mac-algo hmac-sha2-256-etm@openssh.com hmac-sha2-512-etm@openssh.com
@ -49,7 +51,8 @@ Unless you have modified the defaults, you don't need to these, but you may stil
* ``strong-crypto``: Should default to **enabled** since 6.4.5
```
# get system global | grep "ssh\|strong-crypto"
get system global | grep "ssh\|strong-crypto"
admin-ssh-grace-time: 120
admin-ssh-password : enable
admin-ssh-port : 22
@ -60,6 +63,19 @@ ssh-mac-algo : hmac-sha2-256-etm@openssh.com hmac-sha2-512-etm@openssh.co
strong-crypto : enable
```
## FortiOS >= 6.4.5 < 7.0.2
After FortiOS 6.4.5 ``strong-crypto`` defaults to **enable**.
```
# config system global
set ssh-cbc-cipher disable
set ssh-hmac-md5 disable
set ssh-kex-sha1 disable
set ssh-mac-weak disable
end
```
## Limitations
In most versions of FortiOS the available options don't permit reaching a perfect score, here are some of the reasons: