[已解决]求助vpn登录不了 rc_send_server: no reply from RADIUS server unknown:18

zhumeng99

我搭建了一个vpn环境pptp/l2tp+freeradius-client通过radiusmanager验证，
CentOS5.8
pptp-1.3.4
freeradius-client-1.1.6
freeradius-server-2.1.8
radiusmanager-3.8
现在登录不了vpn，
vpn服务器的日志如下：
#tail -f /var/log/messages

May 18 11:50:54 vpn3 pppd[3688]: Using interface ppp0
May 18 11:50:54 vpn3 pppd[3688]: Connect: ppp0 <--> /dev/pts/2
May 18 11:50:54 vpn3 pptpd[3687]: CTRL: Ignored a SET LINK INFO packet with real ACCMs!
May 18 11:51:40 vpn3 pppd[3688]: rc_ip_hostname: couldn't look up host by addr: %lX
May 18 11:51:40 vpn3 pppd[3688]: rc_send_server: no reply from RADIUS server unknown:1812
May 18 11:51:40 vpn3 pppd[3688]: Peer yxf001 failed CHAP authentication
May 18 11:51:40 vpn3 pppd[3688]: Modem hangup
May 18 11:51:40 vpn3 pppd[3688]: Connection terminated.
May 18 11:51:40 vpn3 pppd[3688]: Exit.
May 18 11:51:40 vpn3 pptpd[3687]: CTRL: Client 192.168.0.110 control connection finished

May 18 12:35:28 vpn3 pptpd[19222]: CTRL: Client 192.168.0.110 control connection started
May 18 12:35:28 vpn3 pptpd[19222]: CTRL: Starting call (launching pppd, opening GRE)
May 18 12:35:28 vpn3 pppd[19223]: Plugin /usr/lib/pppd/2.4.4/radius.so loaded.
May 18 12:35:28 vpn3 pppd[19223]: RADIUS plugin initialized.
May 18 12:35:28 vpn3 pppd[19223]: Plugin /usr/lib/pppd/2.4.4/radattr.so loaded.
May 18 12:35:28 vpn3 pppd[19223]: RADATTR plugin initialized.
May 18 12:35:28 vpn3 pppd[19223]: pppd options in effect:
May 18 12:35:28 vpn3 pppd[19223]: debug                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: idle 1800                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: nologfd                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: dump                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: plugin /usr/lib/pppd/2.4.4/radius.so                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: plugin /usr/lib/pppd/2.4.4/radattr.so                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: auth                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: name pptpd                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: radius-config-file /usr/local/etc/radiusclient/radiusclient.conf                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: 115200                # (from command line)
May 18 12:35:28 vpn3 pppd[19223]: lock                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: local                # (from command line)
May 18 12:35:28 vpn3 pppd[19223]: noaccomp                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: lcp-echo-failure 8                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: lcp-echo-interval 60                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: novj                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: novjccomp                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: ipparam 192.168.0.110                # (from command line)
May 18 12:35:28 vpn3 pppd[19223]: ms-dns xxx # [don't know how to print value]                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: ms-wins xxx # [don't know how to print value]                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: proxyarp                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: 10.3.0.1:10.3.0.2                # (from command line)
May 18 12:35:28 vpn3 pppd[19223]: nobsdcomp                # (from /etc/options.pptpd)
May 18 12:35:28 vpn3 pppd[19223]: pppd 2.4.4 started by root, uid 0
May 18 12:35:28 vpn3 pppd[19223]: Using interface ppp0
May 18 12:35:28 vpn3 pppd[19223]: Connect: ppp0 <--> /dev/pts/2
May 18 12:35:28 vpn3 pptpd[19222]: CTRL: Ignored a SET LINK INFO packet with real ACCMs!
May 18 12:36:14 vpn3 pppd[19223]: rc_ip_hostname: couldn't look up host by addr: %lX
May 18 12:36:14 vpn3 pppd[19223]: rc_send_server: no reply from RADIUS server unknown:1812
May 18 12:36:14 vpn3 pppd[19223]: Peer yxf001 failed CHAP authentication
May 18 12:36:14 vpn3 pppd[19223]: Modem hangup
May 18 12:36:14 vpn3 pppd[19223]: Connection terminated.
May 18 12:36:14 vpn3 pppd[19223]: Exit.
May 18 12:36:14 vpn3 pptpd[19222]: CTRL: Client 192.168.0.110 control connection finished


vpn：192.168.0.123（虚拟机）
radius:192.168.0.119（虚拟机）
本机：192.168.0.110
用本机连接192.168.0.123，出错

求助啊

zhumeng99

求助啊！.............................

zhumeng99

已解决！

分享一下解决方法！
方法如下：
在vpn服务器输入一下防火墙规则！

1. iptables -A OUTPUT -d 192.168.0.119 -p udp -m udp --dport 1812 -j ACCEPT
   
2. iptables -A OUTPUT -d 192.168.0.119 -p udp -m udp --dport 1813 -j ACCEPT

复制代码

farmer6

感谢楼主分享此问题解决方案