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joebloest

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  1. Iptables — проксирование socks5 на eth0 внутри VPN - нужна помощь в настройке Мне нужна помощь, платная или бесплатная - все равно! Хочу из расбери пи сделать роутер, но обратный, мануалов таких нет К интернету расбери подключается по вайфай wlan0 Внутри развернут openvpn и тор поверх vpn, дальше трафик через Тор маршрутизируется на разьем LAN eth0 Комп подключенный по LAN к расбери получает интернет через тор, а тор в свою очередь идет через впн. При обрыве тора или впн, на eth0 интернет обрывается Мануалов по обратной настройке, когда к расбери по проводу подключен интернет, а через вайфай раздается впн - много. В качестве проксируещего ПО я выбрал REDSOCKS Tor работает на локальном порту 127.0.0.1:1080 Iptables я настроил таким образом, чтобы трафик не шел в обход OpenVPN, поэтому Тор работает только когда подключен ВПН. Далее я проверил, самый простой вариант без redsocks - маршрутизировал трафик с tun0 на eth0 - комп через eth0 подключился, пинг проходит, но это через vpn. Осталось правильно маршрутизировать трафик приходящий и исходящий на eth0 в redsocks. echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf ipv6 - отключен Рабочий вариант Iptables - маршрутизация VPN на eth0 # Generated by xtables-save *nat :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A POSTROUTING -o tun0 -j MASQUERADE COMMIT # Completed # Generated by xtables-save *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -i lo -j ACCEPT -A INPUT -i eth0 -j ACCEPT -A INPUT -s 185.111.111.111/32 -p tcp -m tcp --sport 443 -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -i tun0 -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -i eth0 -j ACCEPT -A FORWARD -i eth0 -o tun0 -j ACCEPT -A FORWARD -i tun0 -o eth0 -j ACCEPT -A FORWARD -j REJECT --reject-with icmp-host-prohibited -A OUTPUT -o lo -j ACCEPT -A OUTPUT -o eth0 -j ACCEPT -A OUTPUT -o tun0 -j ACCEPT -A OUTPUT -d 185.111.111.111/32 -o wlan0 -p tcp -m tcp --dport 443 -j ACCEPT -A OUTPUT -j REJECT --reject-with icmp-host-prohibited COMMIT # Completed Не рабочий вариант, когда eth0 должен маршрутизироваться на redsocks # Generated by xtables-save *nat :PREROUTING ACCEPT [2:143] :INPUT ACCEPT [1:67] :POSTROUTING ACCEPT [0:0] :OUTPUT ACCEPT [4:268] :REDSOCKS - [0:0] -A PREROUTING -i eth0 -p tcp -j REDSOCKS -A PREROUTING -i eth0 -p udp -m udp --dport 53 -j REDSOCKS -A POSTROUTING -o tun0 -j MASQUERADE -A OUTPUT -p tcp -m tcp --dport 53 -j REDSOCKS -A REDSOCKS -d 0.0.0.0/8 -j RETURN -A REDSOCKS -d 10.0.0.0/8 -j RETURN -A REDSOCKS -d 127.0.0.0/8 -j RETURN -A REDSOCKS -d 169.254.0.0/16 -j RETURN -A REDSOCKS -d 172.16.0.0/12 -j RETURN -A REDSOCKS -d 192.168.0.0/16 -j RETURN -A REDSOCKS -d 224.0.0.0/4 -j RETURN -A REDSOCKS -d 240.0.0.0/4 -j RETURN -A REDSOCKS -p tcp -j REDIRECT --to-ports 10080 -A REDSOCKS -p udp -m udp --dport 53 -j REDIRECT --to-ports 1053 COMMIT # Completed # Generated by xtables-save *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -i lo -j ACCEPT -A INPUT -i eth0 -j ACCEPT -A INPUT -s 185.111.111.111/32 -p tcp -m tcp --sport 443 -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -i tun0 -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -i eth0 -j ACCEPT -A FORWARD -i eth0 -o tun0 -j ACCEPT -A FORWARD -i tun0 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT -A FORWARD -j REJECT --reject-with icmp-host-prohibited -A OUTPUT -o lo -j ACCEPT -A OUTPUT -o eth0 -j ACCEPT -A OUTPUT -o tun0 -j ACCEPT -A OUTPUT -d 185.111.111.111/32 -o wlan0 -p tcp -m tcp --dport 443 -j ACCEPT -A OUTPUT -j REJECT --reject-with icmp-host-prohibited COMMIT # Completed Конфиг REDSOCKS Редсокс скомплирован без shadowsocks, но для socks5 он и не нужен base { // debug: connection progress & client list on SIGUSR1 log_debug = off; // info: start and end of client session log_info = on; /* possible `log' values are: * stderr * "file:/path/to/file" * syslog:FACILITY facility is any of "daemon", "local0"..."local7" */ log = stderr; // log = "file:/path/to/file"; // log = "syslog:local7"; // detach from console daemon = off; /* Change uid, gid and root directory, these options require root * privilegies on startup. * Note, your chroot may requre /etc/localtime if you write log to syslog. * Log is opened before chroot & uid changing. * Debian, Ubuntu and some other distributions use `nogroup` instead of * `nobody`, so change it according to your system if you want redsocks * to drop root privileges. */ // user = nobody; // group = nobody; // chroot = "/var/chroot"; /* possible `redirector' values are: * iptables - for Linux * ipf - for FreeBSD * pf - for OpenBSD * generic - some generic redirector that MAY work */ redirector = iptables; /* Override per-socket values for TCP_KEEPIDLE, TCP_KEEPCNT, * and TCP_KEEPINTVL. see man 7 tcp for details. * `redsocks' relies on SO_KEEPALIVE option heavily. */ //tcp_keepalive_time = 0; //tcp_keepalive_probes = 0; //tcp_keepalive_intvl = 0; /* Enable or disable Linux 3.9+ specific socket option SO_REUSEPORT. * Some older versions of Linux like CentOS 6.5 (Kernel 2.6.32) also # support this option. * Default to off. */ reuseport = off; } redsocks { /* `bind' defaults to 127.0.0.1:0 for security reasons, * use 0.0.0.0 if you want to listen on every interface. * `bind' are used as ip:port to redirect to. */ bind = "0.0.0.0:10080"; // listen() queue length. Default value is SOMAXCONN and it should be // good enough for most of us. // listenq = 128; // SOMAXCONN equals 128 on my Linux box. // `max_accept_backoff` is a delay to retry `accept()` after accept // failure (e.g. due to lack of file descriptors). It's measured in // milliseconds and maximal value is 65535. `min_accept_backoff` is // used as initial backoff value and as a damper for `accept() after // close()` logic. // min_accept_backoff = 100; // max_accept_backoff = 60000; // `relay` is IP address and port of proxy-server. Domain name is not // supported yet. // Can be: // [IPv6Address]:port // [IPv6Address] // IPv6Address // IPv4Address:port // IPv4Address // If no port is given, 0 is used. Usually, a valid port is required. relay = "127.0.0.1:1080"; // known types: socks4, socks5, http-connect, http-relay // New types: direct, shadowsocks, https-connect // For type direct: // if `relay` is not specified, connections will be forwarded to // original destinations. // if `relay` is filled with valid IP address, connections will be // forwarded to IP address defined in `relay`. It is useful when you // just want to forward connections to a specific IP address without // transparent proxy. E.g. forward IPv4:port to IPv6:port. type = socks5; // Specify interface for outgoing connections. // This is useful when you have multiple connections to // internet or when you have VPN connections. // interface = tun0; // Change this parameter to 1 if you want auto proxy feature. // When autoproxy is set to non-zero, the connection to target // will be made directly first. If direct connection to target // fails for timeout/connection refuse, redsocks will try to // connect to target via the proxy. autoproxy = 0; // timeout is meaningful when 'autoproxy' is non-zero. // It specified timeout value when trying to connect to destination // directly. Default is 10 seconds. When it is set to 0, default // timeout value will be used. timeout = 10; // login = "foobar";// field 'login' is reused as encryption // method of shadowsocks // password = "baz"; } tcpdns { // Transform UDP DNS requests into TCP DNS requests. // You can also redirect connections to external TCP DNS server to // REDSOCKS transparent proxy via iptables. bind = "0.0.0.0:1053"; // Local server to act as DNS server tcpdns1 = "8.8.4.4:53"; // DNS server that supports TCP DNS requests tcpdns2 = "8.8.8.8" ; // DNS server that supports TCP DNS requests timeout = 4; // Timeout value for TCP DNS requests } Как правильно настроить iptables для второго нерабочего варианта или дело в чем то другом? Кто может помочь в решинии задачи?
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