SuSE Linux immediately shut down firewall commands and specified open ports

SuSE firewall command

Linux :~ # Chkconfig-list | grep-I fire
Susefirewall2_init 0: off 1: off 2: off 3: off 4: off 5: off 6: Off
Susefirewall2_setup 0: off 1: off 2: off 3: off 4: off 5: off 6: Off

SuSE firewall Stop command now

Linux :~ # Susefirewall2 stop
Susefirewall2: Warning: ip6tables does not support State matching. Extended IPv6 support disabled.
Susefirewall2: Batch committing...
Susefirewall2: Firewall Rules unloaded.

The test passed in suse11.2.

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The default SuSE firewall is used to disable all external connections. If you want to open a port, You have to modify the firewall settings to open the port. This article describes how to modify the SuSE firewall settings to open a specified port.

Manual modification:

# Vi/etc/sysconfig/susefirewall2

# TCP port:

Fw_services_ext_tcp = "6000"

# UDP port status:

Fw_services_ext_udp = "177"

Effective firewall settings:

# Rcsusefirewall2 restart

/Sbin/susefirewall2 start