TCP Timeout Values

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Hi all,

I am wondering where the timeout values in

/net/netfilter/nf_conntrack_proto_tcp.c

of:

static unsigned int tcp_timeouts[TCP_CONNTRACK_MAX] __read_mostly = {
      [TCP_CONNTRACK_SYN_SENT]        = 2 MINS,
      [TCP_CONNTRACK_SYN_RECV]        = 60 SECS,
      [TCP_CONNTRACK_ESTABLISHED]     = 5 DAYS,
      [TCP_CONNTRACK_FIN_WAIT]        = 2 MINS,
      [TCP_CONNTRACK_CLOSE_WAIT]      = 60 SECS,
      [TCP_CONNTRACK_LAST_ACK]        = 30 SECS,
      [TCP_CONNTRACK_TIME_WAIT]       = 2 MINS,
      [TCP_CONNTRACK_CLOSE]           = 10 SECS,
 };

are decided?  Are these arbitrary or is this defined in the TCP RFC (I
could not see the TCP_CONNTRACK_ESTABLISHED value defined there).

Thanks,

Erik
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