whitelisting ipv6 block not working
Issue #141
new
Operating system and version: Alpine Edge
Linux alpine 5.10.33-0-lts #1-Alpine SMP Thu, 29 Apr 2021 08:23:26 +0000 x86_64 Linux
SSHGuard version: sshguard-2.4.2
SSHGuard invocation:
BACKEND='/usr/libexec/sshg-fw-nft-sets'
FILES='/var/log/messages'
When invoking sshguard and whitelisting an unique ipv6, everything works as it should.
alpine:/etc/sshguard# env SSHGUARD_DEBUG=foo sshguard -w 2001:0db8:85a3:0000:0000:8a2e:0370:7334
sshguard[5096]: whitelist: add '2001:0db8:85a3:0000:0000:8a2e:0370:7334' as plain IPv6.
sshguard[5096]: whitelist: add plain IPv6 2001:0db8:85a3:0000:0000:8a2e:0370:7334.
sshguard[5096]: whitelist: add IPv4 block: 127.0.0.0 with mask 8.
sshguard[5096]: whitelist: add '::1' as plain IPv6.
sshguard[5096]: whitelist: add plain IPv6 ::1.
sshguard[5096]: Now monitoring attacks.
When invoking it with an ipv6 block, it hangs and do nothing till killed.
alpine:/etc/sshguard# env SSHGUARD_DEBUG=foo sshguard -w 2001:0db8:85a3:0000:0000:8a2e:0370:7334/120
sshguard[5144]: whitelist: add IPv6 block: 2001:0db8:85a3:0000:0000:8a2e:0370:7334 with mask 120.
^Calpine:/etc/sshguard#
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