Date: Sat, 17 Jul 2010 17:20:07 -0400 From: Vadym Chepkov <vchepkov@gmail.com> To: freebsd-pf@FreeBSD.org Subject: tftp-proxy Message-ID: <51C5C59B-87B0-4E7E-A639-A0AFA5ED385B@gmail.com>
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Hi, I am unsuccessful in configuring tftp-proxy to work with my phones. This is my configuration involved: FreeBSD 7.3-RELEASE-p2 # cat /etc/pf.conf wan_if=3D"re0" phone_if=3D"em0" set debug urgent set optimization normal set block-policy return set timeout { udp.first 300, udp.single 150, udp.multiple 900 } set limit { states 20000, frags 20000 } set skip on lo0 scrub in nat on $wan_if from $phone_if -> $wan_if no nat on $wan_if to port tftp nat on $wan_if proto udp from $phone_if:network to any -> $wan_if = static-port nat on $wan_if from $phone_if:network to any -> $wan_if rdr-anchor "tftp-proxy/*" rdr on $phone_if proto udp from $phone_if:network to any port tftp -> = 127.0.0.1 port 6969 anchor "tftp-proxy/*" # grep tftp-proxy /etc/inetd.conf=20 tftp-proxy dgram udp wait root /usr/libexec/tftp-proxy = tftp-proxy -w 5 # grep tftp-proxy /etc/services=20 tftp-proxy 6969/udp # grep inetd /etc/rc.conf=20 inetd_enable=3D"YES" inetd_flags=3D"-a 127.0.0.1" I observe in the syslog the following message: Jul 17 16:37:11 spider tftp-proxy[4675]: pf connection lookup failed (no = rdr?) Jul 17 16:37:11 spider kernel: Jul 17 16:37:11 spider tftp-proxy[4675]: = pf connection lookup failed (no rdr?) Jul 17 16:37:11 spider inetd[4665]: /usr/libexec/tftp-proxy[4675]: = exited, status 1 tcpdump shows tftp reply packets are getting rejected, which I assume = means tftp-proxy is not expecting replies 17:07:19.135743 IP spider.57874 > 204.16.177.35.tftp: 32 RRQ = "SEPXXX.cnf.xml" octet=20 17:07:19.167369 IP 204.16.177.35.tftp > spider.57874: 516 DATA block 1 17:07:20.596097 IP 204.16.177.35.tftp > spider.57874: 516 DATA block 1 17:07:21.596652 IP 204.16.177.35.tftp > spider.57874: 516 DATA block 1 17:07:22.597755 IP 204.16.177.35.tftp > spider.57874: 516 DATA block 1 17:07:24.142580 IP spider.58998 > 204.16.177.35.tftp: 32 RRQ = "SEPXXX.cnf.xml" octet=20 17:07:24.242006 IP 204.16.177.35.tftp > spider.57874: 516 DATA block 1 17:07:24.242036 IP spider > 204.16.177.35: ICMP spider udp port 57874 = unreachable, length 36 17:07:24.242465 IP 204.16.177.35.tftp > spider.58998: 516 DATA block 1 17:07:25.243154 IP 204.16.177.35.tftp > spider.57874: 516 DATA block 1 17:07:25.243203 IP spider > 204.16.177.35: ICMP spider udp port 57874 = unreachable, length 36 17:07:25.243213 IP 204.16.177.35.tftp > spider.58998: 516 DATA block 1 17:07:26.244089 IP 204.16.177.35.tftp > spider.57874: 516 DATA block 1 17:07:26.244121 IP spider > 204.16.177.35: ICMP spider udp port 57874 = unreachable, length 36 17:07:26.244281 IP 204.16.177.35.tftp > spider.58998: 516 DATA block 1 17:07:27.245051 IP 204.16.177.35.tftp > spider.57874: 516 DATA block 1 17:07:27.245091 IP spider > 204.16.177.35: ICMP spider udp port 57874 = unreachable, length 36 17:07:27.245409 IP 204.16.177.35.tftp > spider.58998: 516 DATA block 1 17:07:28.246205 IP 204.16.177.35.tftp > spider.57874: 516 DATA block 1 17:07:28.246246 IP spider > 204.16.177.35: ICMP spider udp port 57874 = unreachable, length 36 17:07:28.246292 IP 204.16.177.35.tftp > spider.58998: 516 DATA block 1 Not sure what I did wrong. The manual page of tftp-proxy has wrong entry = for inetd.conf, it has illegal syntax for FreeBSD's inetd,=20 maybe some other nuance was lost during migration from OpenBSD? Thank you, Sincerely, Vadym Chepkov
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