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Red Hat Enterprise linux 5ÅäÖÃVPN·þÎñÆ÷¶ËÐÂÊÖÉÏ·
1.×¼±¸¶¯×÷,ʹÓÃÏÂÃæµÄÃüÁîÏÂÔØÐèÒªµÄ°²×°Îļþ¡£(ĬÈϵĴæ·ÅλÖÃÓ¦¸ÃÊÇ/home
/admin)
wget http://poptop.sourceforge.net/yum/stable/packages/dkms-2.0.17.5-1.noarch.rpm
wget
http://poptop.sourceforge.net/yum/stable/packages/kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm
wget
http://poptop.sourceforge.net/yum/stable/packages/pptpd-1.3.4-1.rhel5.1.i386.rpm
wget
http://poptop.sourceforge.net/yum/stable/packages/ppp-2.4.4-9.0.rhel5.i386.rpm

Õâ¸öÁ¬½ÓʧЧµÄ»°,ÔÚrhel5µÄisoÎļþrhel-server-5.4-i386-dvd.iso\ServerĿ¼ÏÂÕÒ¸öppp-
2.4.4-2.el5.i386.rpmÒ²¿ÉÒÔ
2.ÒÀ´Î°²×°
rpm -ivh dkms-2.0.17.5-1.noarch.rpm
rpm -ivh
kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm
rpm -ivh
ppp-2.4.4-2.el5.i386.rpm
rpm -ivh pptpd-1.3.4-1.rhel5.1.i386.rpm
3.ÐÞ¸Ä/etc/ppp/chap-secretsÎļþÌí¼ÓÒ»ÐÐ
¸ñʽΪ:ÕÊ»§Ãû  ·þÎñÆ÷Ãû  ÃÜÂë  ipµØÖ·
*Ϊ¶à¸öÈ˹²ÓÃ
ÕʺÅ,ÈçÏ£º
"hc" pptpd "hc" "*"
»ò²»ÒªÒýºÅ
hc pptpd hc *
4.ÐÞ¸Ä/etc/pptpd.confÎļþ£¬Ö»ÔÚ×îºóÒ»ÐÐÌí¼Ó
localip 192.168.0.163
remoteip
192.168.0.164-180
192.168.0.163ΪÄãµÄ·þÎñÆ÷ipµØÖ·¡£
192.168.0.164-180ΪÄãµÄvpn
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Òì³£Çé¿öÌáʾ¼°´¦Àí·½·¨¡£
Èç¹û·þÎñÅäÖÃÌáʾ:
pptpd ÒÑËÀ£¬µ«ÊÇ subsys±»Ëø
»òÕ߯ô¶¯
service
pptpd start
service pptpd stop
service pptpd restart 
service
pptpd restart-kill
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ÓпÉÄÜÄãµÄ/etc/pptpd.confÅäÖóÉÁËÏÂÃæÓï¾ä¡£ÕâÊǸö³õѧÕßÈÝÒ×·¸µÄ´í
Îó¡£ÐÞ¸ÄΪÉÏÃæµÄ¾Íok
remoteip 192.168.0.164-192.168.0.180
5.ΪÁËʹVPN¿Í»§»úÓëÄÚ²¿ÍøÂ绥Á¬£¬»¹Ó¦¸Ã´ò¿ªlinuxÄں˵Ä·Óɹ¦ÄÜ£¬·ñÔòVPN¿Í»§»úÖ»ÄÜ·ÃÎÊVPN·þÎñÆ÷µÄÄÚ²¿Íø¿¨eth0
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ÔÚÅäÖÃÎļþÖиÄ/etc/sysctl.conf:
 net.ipv4.ip_forward = 1
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echo
1 > /proc/sys/net/ipv4/ip_forward
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echo
"1">/proc/sys/net/ipv4/ip_forward
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Èç¹û±¨ bash:echo: write erro:ÎÞЧµÄ²ÎÊý
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pptp·þÎñʹÓÃTCPЭÒéµÄ1723¶Ë¿ÚºÍ±àºÅΪ47µÄIPЭÒé(GRE³£¹æÂ·ÓÉ·â×°).»òÕß¹Ø


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