Author: Youssef Language: text
Description: DHCPDECLINE over and over again Timestamp: 2017-12-21 01:39:42 +0000
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  1. Hi TechSNAP!
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  3. My name is Youssef. I run a big Linux cluster in Alexandria, Egypt.
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  5. For certain faulty nodes on the cluster, the DHCP server keeps logging DHCPDISCOVER ... DHCPDECLINE over and over again, which ends up flooding syslog.
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  7. I know the faulty machines need to be dealt with. However, it would be really convenient if the DHCP server could automatically ignore excessive DHCPDISCOVER packets from such clients. I was thinking if it may be possible to do such rate limiting via something like fail2ban or similar.
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  9. Any suggestions are much appreciated.
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  11. Welcome back to the show, Chris :)
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  13. - Youssef
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