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Services
6. Multicast DNS (mDNS) is enabled by default. mDNS is a protocol that resolves host names in
small networks that do not have a DNS server. To disable mDNS, or enable it if it has been
disabled, click Enable mDNS.
7. For Private key, type the private key in PEM format. If Private key is blank, the device will use
an automatically-generated key.
8. To create custom SSH configuration settings:
a. Click to expand Custom configuration.
b. Click Enable.
c. For Override:
n
n
d. For Configuration file, type configuration settings in the form of an OpenSSH sshd_config
file.
For example, to enable the diffie-helman-group-sha-14 key exchange algorithm:
i. Click Enable to enable SSH custom configuration.
ii. Leave Override disabled.
iii. For Configuration file, type the following:
KexAlgorithms +diffie-hellman-group14-sha1
9. Click Apply to save the configuration and apply the change.
Command line
1. Log into the IX20 command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to access the Admin CLI.
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. Configure access control:
To limit access to specified IPv4 addresses and networks:
n
(config)> add service ssh acl address end value
(config)>
Where value can be:
IX20 User Guide
If Override is enabled, entries in Configuration file will be used in place of the
standard SSH configuration.
If Override is not enabled, entries in Configuration file will be added to the
standard SSH configuration.
Configure SSH access
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