1\u3001\u68c0\u67e5\u670d\u52a1\u5668\u662f\u5426\u6709\u5fc5\u8981\u7684\u652f\u6301.\u5982\u679c\u68c0\u67e5\u7ed3\u679c\u6ca1\u6709\u8fd9\u4e9b\u652f\u6301\u7684\u8bdd,\u662f\u4e0d\u80fd\u5b89\u88c5pptp\u7684,\u6267\u884c\u6307\u4ee4\uff1a
\n#modprobe ppp-compress-18 && echo ok
\n\u8fd9\u6761\u6267\u884c\u6267\u884c\u540e,\u663e\u793a\u201dok\u201d\u5219\u8868\u660e\u901a\u8fc7.\u4e0d\u8fc7\u63a5\u4e0b\u6765\u8fd8\u9700\u8981\u505a\u53e6\u4e00\u4e2a\u68c0\u67e5,\u8f93\u5165\u6307\u4ee4\uff1a
\n#cat \/dev\/net\/tun
\n\u5982\u679c\u8fd9\u6761\u6307\u4ee4\u663e\u793a\u7ed3\u679c\u4e3a\u4e0b\u9762\u7684\u6587\u672c,\u5219\u8868\u660e\u901a\u8fc7\uff1a
\ncat: \/dev\/net\/tun: File descriptor in bad state
\n\u4e0a\u8ff0\u4e24\u6761\u5747\u901a\u8fc7,\u624d\u80fd\u5b89\u88c5pptp.\u5426\u5219\u5c31\u53ea\u80fd\u8003\u8651openvpn,\u6216\u8005\u8bf7\u4f60\u7684\u670d\u52a1\u5546\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898.
\n2\u3001\u5b89\u88c5ppp\u548ciptables(iptables\u53ef\u9009).\u9ed8\u8ba4\u60c5\u51b5\u4e0b,\u5b8c\u6574\u7684CentOS\u662f\u5e26\u6709\u8fd9\u4e24\u4e2a\u7ec4\u4ef6\u7684,\u4f46\u662f\u7cbe\u7b80\u7248\u7684\u7cfb\u7edf\u53ef\u80fd\u6ca1\u6709.\u6211\u4eec\u8f93\u5165\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u786e\u8ba4,\u5982\u679c\u6ca1\u6709\u5219\u8fdb\u884c\u5b89\u88c5\uff0c\u6709\u7684\u8bdd\u7cfb\u7edf\u4e0d\u4f1a\u505a\u4efb\u4f55\u52a8\u4f5c:
\n#yum install -y ppp iptables
\n3\u3001\u5b89\u88c5pptp.\u8fd9\u4e2a\u8f6f\u4ef6\u5728yum\u6e90\u91cc\u662f\u6ca1\u6709\u7684,\u6211\u4eec\u9700\u8981\u624b\u52a8\u4e0b\u8f7d,\u6211\u4eec\u5148\u5207\u6362\u5230tmp\u76ee\u5f55:
\n#cd \/tmp
\n\u7136\u540e\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u4e0b\u8f7dpptp\u5b89\u88c5\u5305:
\n#wget http:\/\/***********************
\n#rpm -ivh pptpd************.rpm
\n4\u3001\u914d\u7f6epptp.\u9996\u5148\u6211\u4eec\u8981\u7f16\u8f91\/etc\/pptpd.conf\u6587\u4ef6:
\n#vim \/etc\/pptpd.conf
\n\u627e\u5230\u201dlocapip\u201d\u548c\u201dremoteip\u201d\u8fd9\u4e24\u4e2a\u914d\u7f6e\u9879,\u5c06\u524d\u9762\u7684\u201d;\u201d\u6ce8\u91ca\u7b26\u53bb\u6389,\u66f4\u6539\u4e3a\u4f60\u671f\u671b\u7684IP\u6bb5\u503c.localip\u8868\u793a\u670d\u52a1\u5668\u7684IP,remoteip\u8868\u793a\u5206\u914d\u7ed9\u5ba2\u6237\u7aef\u7684IP\u5730\u5740,\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u533a\u95f4.\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528pptp\u9ed8\u8ba4\u7684\u914d\u7f6e:
\nlocalip 192.168.0.1
\nremoteip 192.168.0.234-238,192.168.0.245
\n\u6ce8\u610f,\u8fd9\u91cc\u7684IP\u6bb5\u8bbe\u7f6e,\u5c06\u76f4\u63a5\u5f71\u54cd\u540e\u9762\u7684iptables\u89c4\u5219\u6dfb\u52a0\u547d\u4ee4.\u8bf7\u6ce8\u610f\u5339\u914d\u7684\u6b63\u786e\u6027,\u5982\u679c\u4f60\u5acc\u9ebb\u70e6,\u5efa\u8bae\u5c31\u7528\u672c\u6587\u7684\u914d\u7f6e,\u5c31\u53ef\u4ee5\u4e00\u76f4\u590d\u5236\u547d\u4ee4\u548c\u6587\u672c\u4f7f\u7528\u4e86.
\n\u63a5\u4e0b\u6765\u6211\u4eec\u518d\u7f16\u8f91\/etc\/ppp\/options.pptpd\u6587\u4ef6,\u4e3aVPN\u6dfb\u52a0Google DNS\uff1a
\n#vim \/etc\/ppp\/options.pptpd
\n\u5728\u672b\u5c3e\u6dfb\u52a0\u4e0b\u9762\u4e24\u884c:
\nms-dns 8.8.8.8
\nms-dns 8.8.4.4
\n5\u3001\u8bbe\u7f6epptp VPN\u8d26\u53f7\u5bc6\u7801.\u6211\u4eec\u9700\u8981\u7f16\u8f91\/etc\/ppp\/chap-secrets\u8fd9\u4e2a\u6587\u4ef6:
\n#vim \/etc\/ppp\/chap-secrets
\n\u5728\u8fd9\u4e2a\u6587\u4ef6\u91cc\u9762,\u6309\u7167\u201d\u7528\u6237\u540d pptpd \u5bc6\u7801 *\u201d\u7684\u5f62\u5f0f\u7f16\u5199,\u4e00\u884c\u4e00\u4e2a\u8d26\u53f7\u548c\u5bc6\u7801.\u6bd4\u5982\u6dfb\u52a0\u7528\u6237\u540d\u4e3atest,\u5bc6\u7801\u4e3a1234\u7684\u7528\u6237,\u5219\u7f16\u8f91\u5982\u4e0b\u5185\u5bb9:
\ntest pptpd 1234 *
\n6\u3001\u4fee\u6539\u5185\u6838\u8bbe\u7f6e,\u4f7f\u5176\u652f\u6301\u8f6c\u53d1.\u7f16\u8f91\/etc\/sysctl.conf\u6587\u4ef6:
\n#vim \/etc\/sysctl.conf
\n\u5c06\u201dnet.ipv4.ip_forward\u201d\u6539\u4e3a1,\u53d8\u6210\u4e0b\u9762\u7684\u5f62\u5f0f.
\nnet.ipv4.ip_forward=1
\n\u4fdd\u5b58\u9000\u51fa,\u5e76\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u751f\u6548\u5b83:
\n#sysctl -p
\n7\u3001\u6dfb\u52a0iptables\u8f6c\u53d1\u89c4\u5219.\u7ecf\u8fc7\u524d\u9762\u76846\u4e2a\u6b65\u9aa4,\u6211\u4eec\u7684VPN\u5df2\u7ecf\u53ef\u4ee5\u62e8\u53f7\u4e86,\u4f46\u662f\u8fd8\u4e0d\u80fd\u8bbf\u95ee\u4efb\u4f55\u7f51\u9875.\u6700\u540e\u4e00\u6b65\u5c31\u662f\u6dfb\u52a0iptables\u8f6c\u53d1\u89c4\u5219\u4e86,\u8f93\u5165\u4e0b\u9762\u7684\u6307\u4ee4:
\n#iptables -t nat -A POSTROUTING -s 192.168.0.0\/24 -o eth0 -j MASQUERADE<\/p>\n
iptables -A FORWARD -p tcp --syn -s 192.168.2.0\/24 -j TCPMSS --set-mss 1356 \u00a0 \u8bbe\u7f6emtu\uff0c\u5426\u5219\u6709\u4e9b\u7f51\u7ad9\u65e0\u6cd5\u6253\u5f00\uff0c\u4f8b\u5982\u767e\u5ea6\uff1b<\/strong><\/span> 1\u3001\u68c0\u67e5\u670d\u52a1\u5668\u662f\u5426\u6709\u5fc5\u8981\u7684\u652f\u6301.\u5982\u679c\u68c0\u67e5\u7ed3\u679c\u6ca1\u6709\u8fd9\u4e9b\u652f\u6301\u7684\u8bdd,\u662f\u4e0d\u80fd\u5b89\u88c5pptp\u7684,\u6267\u884c\u6307\u4ee4\uff1a #modpro […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[14,161],"class_list":["post-443","post","type-post","status-publish","format-standard","hentry","category-Technical_literature","tag-linux","tag-vpn"],"views":1407,"_links":{"self":[{"href":"https:\/\/www.datarelab.com\/blog\/wp-json\/wp\/v2\/posts\/443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.datarelab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.datarelab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.datarelab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.datarelab.com\/blog\/wp-json\/wp\/v2\/comments?post=443"}],"version-history":[{"count":0,"href":"https:\/\/www.datarelab.com\/blog\/wp-json\/wp\/v2\/posts\/443\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.datarelab.com\/blog\/wp-json\/wp\/v2\/media?parent=443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.datarelab.com\/blog\/wp-json\/wp\/v2\/categories?post=443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.datarelab.com\/blog\/wp-json\/wp\/v2\/tags?post=443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u9700\u8981\u6ce8\u610f\u7684\u662f,\u8fd9\u4e2a\u6307\u4ee4\u4e2d\u7684\u201d192.168.0.0\/24\u2033\u662f\u6839\u636e\u4e4b\u524d\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u201dlocalip\u201d\u7f51\u6bb5\u6765\u6539\u53d8\u7684,\u6bd4\u5982\u4f60\u8bbe\u7f6e\u7684\u201d10.0.0.1\u2033\u7f51\u6bb5,\u5219\u5e94\u8be5\u6539\u4e3a\u201d10.0.0.0\/24\u2033.\u6b64\u5916\u8fd8\u6709\u4e00\u70b9\u9700\u8981\u6ce8\u610f\u7684\u662feth0,\u5982\u679c\u4f60\u7684\u5916\u7f51\u7f51\u5361\u4e0d\u662feth0,\u800c\u662feth1(\u6bd4\u5982SoftLayer\u7684\u670d\u52a1\u5668\u5c31\u662f\u8fd9\u6837\u7684\u60c5\u51b5),\u90a3\u4e48\u8bf7\u8bb0\u5f97\u5c06eth0\u4e5f\u66f4\u6539\u4e3a\u5bf9\u5e94\u7684\u7f51\u5361\u7f16\u53f7,\u4e0d\u7136\u662f\u4e0a\u4e0d\u4e86\u7f51\u7684.
\n\u7136\u540e\u6211\u4eec\u8f93\u5165\u4e0b\u9762\u7684\u6307\u4ee4\u8ba9iptables\u4fdd\u5b58\u6211\u4eec\u521a\u624d\u7684\u8f6c\u53d1\u89c4\u5219,\u4ee5\u4fbf\u91cd\u542f\u7cfb\u7edf\u540e\u4e0d\u9700\u8981\u518d\u6b21\u6dfb\u52a0:
\n#\/etc\/init.d\/iptables save
\n\u7136\u540e\u6211\u4eec\u91cd\u542fiptables\uff1a
\n#\/etc\/init.d\/iptables restart
\n8\u3001\u91cd\u542fpptp\u670d\u52a1.\u8f93\u5165\u4e0b\u9762\u7684\u6307\u4ee4\u91cd\u542fpptp:
\n#\/etc\/init.d\/pptpd restart
\n\u73b0\u5728\u4f60\u5df2\u7ecf\u53ef\u4ee5\u8fde\u63a5\u81ea\u5df1\u7684VPN\u5e76\u6d4f\u89c8\u7f51\u9875\u4e86.\u4e0d\u8fc7\u6211\u4eec\u8fd8\u9700\u8981\u505a\u6700\u540e\u7684\u4e00\u6b65.
\n9\u3001\u8bbe\u7f6e\u5f00\u673a\u81ea\u52a8\u8fd0\u884c\u670d\u52a1.\u6211\u4eec\u6700\u540e\u4e00\u6b65\u662f\u5c06pptp\u548ciptables\u8bbe\u7f6e\u4e3a\u5f00\u673a\u81ea\u52a8\u8fd0\u884c,\u8fd9\u6837\u5c31\u4e0d\u9700\u8981\u6bcf\u6b21\u91cd\u542f\u670d\u52a1\u5668\u540e\u624b\u52a8\u542f\u52a8\u670d\u52a1\u4e86,\u5f53\u7136\u4f60\u4e0d\u9700\u8981\u81ea\u52a8\u542f\u52a8\u670d\u52a1\u7684\u8bdd\u53ef\u4ee5\u5ffd\u7565\u8fd9\u4e00\u6b65,\u8f93\u5165\u6307\u4ee4:
\n#chkconfig pptpd on
\n#chkconfig iptables on
\n\u8fd9\u6837\u5c31\u5927\u529f\u544a\u6210\u4e86,\u8d76\u5feb\u5230Windows\u4e0b\u5efa\u7acb\u4e00\u4e2aVPN\u8fde\u63a5,IP\u586b\u5199\u81ea\u5df1\u7684\u670d\u52a1\u5668IP,\u7528\u6237\u540d\u548c\u5bc6\u7801\u586b\u5199\u81ea\u5df1\u8bbe\u7f6e\u597d\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801,\u70b9\u51fb\u201d\u8fde\u63a5\u201d,\u6210\u529f\u540e\u5c31\u53ef\u4ee5\u4f7f\u7528\u670d\u52a1\u5668\u53bb\u6d4f\u89c8\u7f51\u9875\u5566.<\/p>\n","protected":false},"excerpt":{"rendered":"