ddns-hostname filtering before DDNS

Chris Deiss cdeiss at reed.edu
Wed Aug 29 23:07:57 UTC 2007

I'd like to perform something equivalent to:

ddns-hostname =~ s/[^a-zA-Z0-9\-]/\-/g;

before the DDNS operation occurs between dhcpd and BIND.

I have a number of DHCP clients sending weird hostname or dhcp-client- 
identifier values that violate BIND's check-names setting (which I  

Any suggestions?  Would the execute() dhcp-eval expression somehow  
work?  Or 'on commit' in some horrendous form?


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