OpenWRT 上搭建 OpenConnect( ocserv)服务器,客户端完成身份验证后即被断开,请问可能是哪里配置问题? - V2EX
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zhjits

OpenWRT 上搭建 OpenConnect( ocserv)服务器,客户端完成身份验证后即被断开,请问可能是哪里配置问题?

  •  
  •   zhjits Sep 21, 2015 5963 views
    This topic created in 3872 days ago, the information mentioned may be changed or developed.
    客户端处于不断连上-断开-连上的循环中。
    5 replies    2015-09-22 14:14:33 +08:00
    shangjiyu
        1
    shangjiyu  
       Sep 21, 2015
    防火墙设置有问题
    pmpio
        2
    pmpio  
       Sep 21, 2015
    我不知道 OpenConnect 是啥,不过看症状,协议应该跟 FTP 有点像。可能握手认证完之后,服务器会从另一端口建立数据连接通道。。。所以,应该是 /etc/config/firewall 要改配置了。。。。
    zhjits
        3
    zhjits  
    OP
       Sep 21, 2015
    @pmpio 那个协议是模拟 HTTPS 的 VPN 。
    @shangjiyu

    我在网上看了一堆资料,大概有三种配置:

    1.
    config rule
    option target 'ACCEPT'
    option proto 'tcp udp'
    option dest_port '1443'
    option name 'OpenConnect'
    option src '*'

    config rule
    option target 'ACCEPT'
    option name 'OpenConnect'
    option src '*'
    option srcip '192.168.5.0/24'
    option dest '*'
    #option enabled '0'

    config redirect
    option target 'SNAT'
    option src 'lan'
    option dest 'wan'
    option proto 'all'
    option src_dip '192.168.3.1'
    option name 'OpenConnect'
    option src_ip '192.168.5.0/24'
    #option enabled '0'

    2.
    iptables -I INPUT -p tcp --dport 1443 -j ACCEPT
    iptables -I INPUT -p udp --dport 1443 -j ACCEPT
    iptables -t nat -I POSTROUTING -s 192.168.5.0/24 -o pppoe-wan -j MASQUERADE
    iptables -I FORWARD -i vpns+ -s 192.168.5.0/24 -j ACCEPT
    iptables -I INPUT -i vpns+ -s 192.168.5.0/24 -j ACCEPT
    iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu

    3.
    iptables -A input_rule -i vpns+ -j ACCEPT
    iptables -A forwarding_rule -i vpns+ -j ACCEPT
    iptables -A forwarding_rule -o vpns+ -j ACCEPT
    iptables -A output_rule -o vpns+ -j ACCEPT

    都试了,都无效。

    服务器配置: lan 在 192.168.3.0/24 , OpenConnect 客户端分配到 192.168.5.0/24 ,服务器端口 1443 。
    lawder
        4
    lawder  
       Sep 21, 2015
    ocserv 开 debug 模式看日志
    zhjits
        5
    zhjits  
    OP
       Sep 22, 2015
    @lawder 看了日志,连接没问题,如果我用 split include 192.168.0.0/16 也没问题,但是如果转发全部流量就会挂,所以应该是 iptables 设置问题
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