Problem description
Users use Juniper firewall to manage through telnet and web, and suddenly cannot access through web, telnet, but can ping, and the network is normal.
Problem analysis
1. The user accidentally turned off telnet and web management
2. The firewall CPU is high and cannot respond
3. The port is closed
4. juniper firewall BUG
Problem handling
1. During the routine check, telnet and web cannot be used normally, the ping is normal, and the PING value delay is small
2. Take the notebook and use the console cable to connect to the firewall, normal. Check that the CPU is normal, and there are no errors reported in the logs
3. Check the configuration, no changes, the management port telnet, web is open normally, but cannot be connected
4. Modify the management port from the default 80 to 8888, the problem is solved, and then change back to 80 is still normal
Related operation commands
get int (check excuse status)
get admin (view admin port)
set admin port 8888 (Modify the admin web port to 8888)
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Posted on 6/29/2018 10:19:27 AM
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