Once you are done with the basic configuration of Cisco ASA 5510, the next step is to enable SSH access from remote computers internally or externally, Steps involved in configuring SSH is as follows

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Firewall_5510# config t
Firewall_5510(config)# enable password xxxxx(your password)
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Enable password is necessary to enable ssh access

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Firewall_5510(config)# username test password test123
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User name and password for connecting using ssh

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Firewall_5510(config)# aaa authentication ssh console LOCAL
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Different authentication can be  configured, like RADIUS, TACACS+, etc.., here we specified Local authentication with user name and password mentioned above

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Firewall_5510(config)# ssh 192.168.x.x 255.255.255.o inside
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Permit ssh access to firewall from specified ip or subnet, inside

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Firewall_5510(config)# domain-name TEST.ORG
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Domain name of your company. RSA key is generated using domain name + firewall name combination

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Firewall_5510(config)# crypto key generate rsa modulus 1024
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Generate RSA key

You are done !!!!!!!!!!!!!!!!!!!!!!

now the firewall can be accessed from inside network……………………