Comments (1)
The database is keyed off the IP, so duplication is not possible. Because of how IPs are removed from hosts.deny, all matches in the hosts.deny are removed when delisting.
I would accept a patch that optionally checks for the existence of an IP before adding it to hosts.deny, but I won't write it. In the odd case where an IP gets listed multiple times (because of a DB/tcpd file mismatch), it doesn't hurt anything. The amount of resources needed to parse the file before every write would greatly exceed the cost of having a few duplicated IPs.
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Related Issues (9)
- v0.25 --delist error: file /var/db/sentry/hosts.deny or enclosing dir is not writable! HOT 1
- shebang should be updated when sentry installed HOT 2
- Security feature request HOT 1
- IPv6 support HOT 2
- Automatic Uninstall Method HOT 1
- Does this support CentOS8 which uses a new firewall system? HOT 1
- Sentry whitelist command doesn't seem to work. HOT 1
- How to uninstall this? HOT 3
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