Messages in this thread |  | | From | Liping Zhang <> | Date | Wed, 5 Oct 2016 08:58:38 +0800 | Subject | Re: kernel v4.8: iptables logs are truncated with the 4.8 kernel? |
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Hi Justin,
2016-10-05 6:02 GMT+08:00 Justin Piszcz <jpiszcz@lucidpixels.com>: > Hello, > > kernel 4.8 with ulogd-2.0.5- IPs are no longer logged: > > Oct 4 17:51:30 atom INPUT_BLOCK IN=eth1 OUT= > MAC=00:1b:21:9c:3b:fa:3e:94:d5:d2:49:1e:08:00 LEN=0 TOS=00 PREC=0x00 > TTL=0 ID=0 PROTO=0 MARK=0 > Oct 4 17:51:31 atom INPUT_BLOCK IN=eth1 OUT= > MAC=00:1b:21:9c:3b:fa:3e:94:d5:d2:49:1e:08:00 LEN=0 TOS=00 PREC=0x00 > TTL=0 ID=0 PROTO=0 MARK=0 > Oct 4 17:51:32 atom INPUT_BLOCK IN=eth1 OUT= > MAC=00:1b:21:9c:3b:fa:3e:94:d5:d2:49:1e:08:00 LEN=0 TOS=00 PREC=0x00 > TTL=0 ID=0 PROTO=0 MARK=0 > > (reboot back to kernel 4.7, works fine) > > kernel 4.7 with ulogd-2.0.5: > Oct 4 17:56:44 atom INPUT_BLOCK IN=eth1 OUT= > MAC=00:1b:21:9c:3b:fa:3e:94:d5:d2:49:1e:08:00 SRC=74.125.22.125 > DST=1.2.3.4 LEN=397 TOS=00 PREC=0x00 TTL=48 ID=58093 PROTO=TCP > SPT=5222 DPT=19804 SEQ=2032644254 ACK=2273184383 WINDOW=55272 ACK PSH > URGP=0 MARK=0 > Oct 4 17:56:45 atom INPUT_BLOCK IN=eth1 OUT= > MAC=00:1b:21:9c:3b:fa:3e:94:d5:d2:49:1e:08:00 SRC=74.125.22.125 > DST=1.2.3.4 LEN=397 TOS=00 PREC=0x00 TTL=48 ID=58725 PROTO=TCP > SPT=5222 DPT=19804 SEQ=2032644254 ACK=2273184383 WINDOW=55272 ACK PSH > URGP=0 MARK=0 > > Looks like there were some changes in the 4.8 kernel regarding ulogd, > has anyone else run into this problem? > > } ulog; > + if ((li->u.ulog.flags & NF_LOG_F_COPY_LEN) && > + (li->u.ulog.copy_len < data_len)) > + data_len = li->u.ulog.copy_len; > li->u.ulog.group = ntohs(nla_get_be16(tb[NFTA_LOG_GROUP])); > + li->u.ulog.flags |= NF_LOG_F_COPY_LEN; > li->u.ulog.copy_len = > if (nla_put_be16(skb, NFTA_LOG_GROUP, htons(li->u.ulog.group))) > - if (li->u.ulog.copy_len) { > + if (li->u.ulog.flags & NF_LOG_F_COPY_LEN) { > htonl(li->u.ulog.copy_len))) > li.u.ulog.group = info->group; > li.u.ulog.qthreshold = info->threshold; > + li.u.ulog.flags |= NF_LOG_F_COPY_LEN; > > Thanks, > > Justin.
Which one are you using? iptables or nftables?
Could you please paste the related iptables/nftables rules here?
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