Re: [PATCH] tcp: Add listening address to SYN flood message
From: Stephen Hemminger <stephen@networkplumber.org>
Date: 2022-11-10 23:39:12
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On Thu, 10 Nov 2022 21:21:06 +1100 Jamie Bainbridge [off-list ref] wrote:
+ xchg(&queue->synflood_warned, 1) == 0) {
+#if IS_ENABLED(CONFIG_IPV6)
+ if (sk->sk_family == AF_INET6) {
+ net_info_ratelimited("%s: Possible SYN flooding on port %d. IP %pI6c. %s. Check SNMP counters.\n",
+ proto, sk->sk_num,
+ &sk->sk_v6_rcv_saddr, msg);
+ } else
+#endif
+ {
+ net_info_ratelimited("%s: Possible SYN flooding on port %d. IP %pI4. %s. Check SNMP counters.\n",
+ proto, sk->sk_num, &sk->sk_rcv_saddr, msg);
+ }
+ }
Port number is unsigned not signed. Message also seems overly wordy to me.