UNPKG

js-reverse-dns-ip-filter

Version:

Javascript Reverse DNS IP Filter

github.com/opendesktopio/js-reverse-dns-ip-filter

opendesktopio/js-reverse-dns-ip-filter

12 lines (7 loc) • 444 B
1
2
3
4
5
6
7
8
9
10
11
12
# js-reverse-dns-ip-filter Javascript Reverse DNS IP Filter Verify a caller IP against supposed calling service IPs. This library resolve supposed calling service IP to get service FQDN name and then ask core dns all known FQDN (*.service.local) for this service. If caller IP does not match a known IP for the service false value is returned else true is returned This library is known to work with Kubernetes core dns in cluster mode.