From owner-freebsd-bugs@FreeBSD.ORG Tue Mar 25 14:30:02 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4BFFF1065672 for ; Tue, 25 Mar 2008 14:30:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 326E08FC23 for ; Tue, 25 Mar 2008 14:30:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m2PEU14n059286 for ; Tue, 25 Mar 2008 14:30:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m2PEU19C059277; Tue, 25 Mar 2008 14:30:01 GMT (envelope-from gnats) Resent-Date: Tue, 25 Mar 2008 14:30:01 GMT Resent-Message-Id: <200803251430.m2PEU19C059277@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Chun-Tien Chang Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 05B9F1065670 for ; Tue, 25 Mar 2008 14:25:45 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id F1D4D8FC19 for ; Tue, 25 Mar 2008 14:25:44 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.2/8.14.2) with ESMTP id m2PEPWrE097428 for ; Tue, 25 Mar 2008 14:25:32 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id m2PEPW9R097427; Tue, 25 Mar 2008 14:25:32 GMT (envelope-from nobody) Message-Id: <200803251425.m2PEPW9R097427@www.freebsd.org> Date: Tue, 25 Mar 2008 14:25:32 GMT From: Chun-Tien Chang To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: misc/122068: ppp can not set the correct interface with pptpd X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Mar 2008 14:30:02 -0000 >Number: 122068 >Category: misc >Synopsis: ppp can not set the correct interface with pptpd >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Mar 25 14:30:01 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Chun-Tien Chang >Release: FreeBSD 7.0 i386 Release >Organization: National Tsing Hua University >Environment: FreeBSD NAT.NTHUCC.2y.idv.tw 7.0-RELEASE FreeBSD 7.0-RELEASE #2: Sat Mar 22 02:38:46 CST 2008 root@NAT.NTHUCC.2y.idv.tw:/usr/obj/usr/src/sys/NAT.NTHUCC i386 >Description: When the Windows PPTP Client dial to the poptop vpn server, the user-ppp can not set the routing table to the correct interface. >How-To-Repeat: install ports/net/poptop (poptop-1.3.4_1) ==ppp config== /etc/ppp/ppp.conf pptp: set timeout 0 set log phase chat connect lcp ipcp command set dial set login set ifaddr 10.2.1.254 10.2.1.100-10.2.1.199 255.255.255.255 set server /tmp/loop "" 0177 set accmap ffffffff enable proxy enable proxyall enable mschapv2 accept mschapv2 enable mppe enable lqr enable dns accept dns set dns 10.2.1.254 allow mode direct # ifconfig -a em0: flags=8843 metric 0 mtu 1500 options=9b ether 00:50:56:a1:56:c7 inet6 fe80::250:56ff:fea1:56c7%em0 prefixlen 64 scopeid 0x1 inet 140.114.60.105 netmask 0xffffff00 broadcast 140.114.60.255 media: Ethernet autoselect (1000baseTX ) status: active em1: flags=8843 metric 0 mtu 1500 options=9b ether 00:50:56:a1:38:13 inet6 fe80::250:56ff:fea1:3813%em1 prefixlen 64 scopeid 0x2 inet 10.2.1.254 netmask 0xffffff00 broadcast 10.2.1.255 media: Ethernet autoselect (1000baseTX ) status: active ===the original routing table=== # netstat -rn Routing tables Internet: Destination Gateway Flags Refs Use Mtu Netif Expire default 140.114.60.254 UGS 0 1741539 1500 em0 10.2.1.0/24 link#2 UC 0 0 1500 em1 10.2.1.242 00:50:56:a1:0d:ce UHLW 1 77 1500 em1 948 10.2.1.251 00:50:56:a1:2e:32 UHLW 1 4 1500 em1 297 10.2.1.254 00:50:56:a1:38:13 UHLW 1 9395 16384 lo0 127.0.0.1 127.0.0.1 UH 0 14555 16384 lo0 140.114.60.0/24 link#1 UC 0 0 1500 em0 140.114.60.254 00:0f:8f:7e:dc:40 UHLW 2 0 1500 em0 1029 ===after dial up to pptpd routing table=== # netstat -rn Routing tables Internet: Destination Gateway Flags Refs Use Mtu Netif Expire default 140.114.60.254 UGS 0 1741769 1500 em0 10.2.1.0/24 link#2 UC 0 0 1500 em1 10.2.1.144 10.2.1.254 UGH 0 0 1398 em1 10.2.1.242 00:50:56:a1:0d:ce UHLW 1 77 1500 em1 786 10.2.1.250 00:50:56:b9:43:25 UHLW 1 8 1500 em1 1197 10.2.1.251 00:50:56:a1:2e:32 UHLW 1 4 1500 em1 135 10.2.1.254 00:50:56:a1:38:13 UHLW 2 9395 16384 lo0 127.0.0.1 127.0.0.1 UH 0 14555 16384 lo0 140.114.60.0/24 link#1 UC 0 0 1500 em0 140.114.60.254 00:0f:8f:7e:dc:40 UHLW 2 0 1500 em0 1199 the result is different with freeebsd 6.2 release, in freebsd 6.2 , the 10.2.1.144 will route to interface tun0 in freebsd 7.0 , it routes to em1 ????why? # ifconfig -a em0: flags=8843 metric 0 mtu 1500 options=9b ether 00:50:56:a1:56:c7 inet6 fe80::250:56ff:fea1:56c7%em0 prefixlen 64 scopeid 0x1 inet 140.114.60.105 netmask 0xffffff00 broadcast 140.114.60.255 media: Ethernet autoselect (1000baseTX ) status: active em1: flags=8843 metric 0 mtu 1500 options=9b ether 00:50:56:a1:38:13 inet6 fe80::250:56ff:fea1:3813%em1 prefixlen 64 scopeid 0x2 inet 10.2.1.254 netmask 0xffffff00 broadcast 10.2.1.255 media: Ethernet autoselect (1000baseTX ) status: active tun0: flags=8051 metric 0 mtu 1398 inet 10.2.1.254 --> 10.2.1.144 netmask 0xffffffff inet6 fe80::250:56ff:fea1:56c7%tun0 prefixlen 64 scopeid 0x7 Opened by PID 4408 >Fix: there are two way to fix it. 1. use differenet subnet for vpn. Don't use the same subnet for vpn routing. user-ppp will set the correct routing table. 2. downgrade to FreeBSD 6.2 >Release-Note: >Audit-Trail: >Unformatted: