How to remove the use of RC4 and DES ciphers?

Zyxel_James
Zyxel_James Posts: 610  Zyxel Employee
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Question: How to remove the use of RC4 and DES ciphers?

Answer: Use the following commands to remove RC4 and DES

Router#
Router# configure terminal
Router(config)# show ip http server secure status
active : yes
port: 443
certificate: default
force redirect: yes
authentication client: no
strong cipher suite: yes
customized cipher suite:
aes 3des rc4
ssl protocol: tls1.3 tls1.2

Router(config)# no ip http secure-server cipher-suite 3des
Router(config)# no ip http secure-server cipher-suite rc4

Router(config)# write
Router(config)# show ip http server secure status
active: yes
port: 443
certificate: default
force redirect: yes
authentication client: no
strong cipher suite: yes
customized cipher suite:
aes
ssl protocol: tls1.3 tls1.2