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2016 Jun 28
1
[Bug 1077] New: New traffic reduces conntrack timeout
...(Actual use case: Implementing RFC6887 PEER command so that e.g. UDP VPN can reduce keepalives by explicitly requesting a long-lived entry.) Might only need to check (and then keep the existing value) if existing timeout is longer than new value in "int [proto]_packet()" in net/netfilter/nf_conntrack_proto_[proto].c for each protocol. Alternatively might be easier to do the check in __nf_ct_refresh_acct() in net/netfilter/nf_conntrack_core.c. But notice that "if (newtime - ct->timeout.expires >= HZ)" there has an integer underflow when newtime is smaller than ct->timeout.expires, a...