Messages in this thread | | | Date | Thu, 5 Aug 1999 13:42:56 +0200 | From | Frank van Maarseveen <> | Subject | Re: NFS client may be broken in 2.2.11pre4 (SOLVED) |
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> From: bmccann@indusriver.com > Date: Tue, 03 Aug 1999 05:45:01 -0400 > > SOLUTION-------------------------------------------- > > The following code was added at line 614 in ip_fw.c in either pre3 or pre4: > > /* If it is a truncated first fragment then it can be > * used to rewrite port information, and thus should > * be blocked. > */ > if (offset && (ntohs(ip->frag_off) & IP_MF)) { > if (!testing && net_ratelimit()) { > /*printk(KERN_ERR "Suspect short first fragment.\n");*/ > dump_packet(ip,rif,NULL,NULL,0,0,0,0); > } > return FW_BLOCK; > } > > According to dump_packet, the NFS UDP packet is a fragment and it has the > MustFragment bit set. This code should be removed and/or fixed.
Thanks for finding the cause. I've disabled the code as a bug bypass for my linux box so I can continue testing NFS.
-- Frank
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