Messages in this thread Patch in this message | | | Date | Thu, 14 Feb 2002 14:07:39 -0500 | From | David Ford <> | Subject | [PATCH] UDP short packet patch for ipv4 |
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This patch changes printk to add helpful information...i.e. who to firewall etc. It is against 2.4.18-rc1. IPV6 needs one too but in my opinion, a similar NIPQUAD macro needs built and the IPV6 core in general needs a tidying up to use the new macro.
--- linux/net/ipv4/udp.c.orig Thu Feb 14 13:38:24 2002 +++ linux/net/ipv4/udp.c Thu Feb 14 13:32:34 2002 @@ -928,7 +928,14 @@ return(0); short_packet: - NETDEBUG(if (net_ratelimit()) printk(KERN_DEBUG "UDP: short packet: %d/%d\n", ulen, len)); + NETDEBUG(if (net_ratelimit()) + printk(KERN_DEBUG "UDP: short packet: %u.%u.%u.%u:%u %d/%d to %u.%u.%u.%u:%u\n", + NIPQUAD(saddr), + ntohs(uh->source), + ulen, + len, + NIPQUAD(daddr), + ntohs(uh->dest))); no_header: UDP_INC_STATS_BH(UdpInErrors); kfree_skb(skb); [unhandled content-type:application/x-pkcs7-signature] | |