syslog

My Red hat Enterprise Linux 5 server reporting the following message in /var/log/messages (syslog):

ip_conntrack: table full, dropping packet.

How do I fix this error?

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Q. I’d like to log information about selected incoming and outgoing TCP/IP connections to a log file. For example, log connection made by user “tom” for the service ftp or ssh? How do I configure Linux to log connections? A. You can write a perl or shell script to monitor and log all connection. However, […]

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Q. I am running SSH/MySQL/Webserver and setup iptables based firewall. But my logs are send to console rather than the system log files. How do make sure that iptables LOG target messages are send to /var/log/messages file? A. IPTABLES LOG module turns on kernel logging of matching packets. When this option is set for a […]

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