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發表於 2015-5-1 13:27 | 顯示全部帖子

Openconnect VPN server installation instruction for debian wheezy x 86

本帖最後由 ckleea 於 2015-5-15 09:35 編輯

通過雯雯介紹

成功將Openconnect VPN server 放在 Debian Wheezy X86 server
安排方法如下

1. 系統準備
  1. # need to have newer gnutls req backports
  2. echo "deb http://ftp.debian.org/debian wheezy-backports main contrib non-free" | tee -a /etc/apt/sources.list
  3. aptitude update
  4. aptitude -t wheezy-backports -y install libgnutls28-dev
  5. aptitude -y install libgmp3-dev m4 gcc pkg-config make gnutls-bin libreadline-dev
  6. aptitude -y install libpam0g-dev libwrap0-dev  liblz4-dev  libseccomp-dev libkrb5-dev libprotobuf-c0-dev libnl-route-3-dev  libreadline-dev libtalloc-dev libopts25-dev libwrap0-dev
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2. 下載OpenConnect VPN Server 源碼 # as of today, latest=0.10.4
  1. # Get OCServ
  2. mkdir /usr/src/ocserv
  3. cd /usr/src/ocserv
  4. wget ftp://ftp.infradead.org/pub/ocserv/ocserv-0.10.4.tar.xz
  5. tar xvf ocserv-0.10.4.tar.xz
  6. cd ocserv-0.10.4
  7. ./configure --prefix=/usr --sysconfdir=/etc
  8. make
  9. make install
  10. mkdir /etc/ocserv
  11. cp doc/sample.config /etc/ocserv/
  12. mv /etc/ocserv/sample.config /etc/ocserv/ocserv.conf
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3. 準備 系統 certificate，如有有效的certificate更好
  1. ## Generate your self-signed certificate for Ocserv use
  2. ## change the value in CN and organization based on your choice
  3. ## create two files for certificate generation
  4. 1. ca.tmpl
  5.         cn = "VPN CA"
  6.         organization = "Big Corp"
  7.         serial = 1
  8.         expiration_days = 9999
  9.         ca
  10.         signing_key
  11.         cert_signing_key
  12.         crl_signing_key


  15. 2. server.tmpl
  16.         cn = "www.example.com"
  17.         organization = "MyCompany"
  18.         expiration_days = 9999
  19.         signing_key
  20.         encryption_key
  21.         tls_www_server


  24. certtool --generate-privkey --outfile ca-key.pem

  26. certtool --generate-self-signed --load-privkey ca-key.pem --template ca.tmpl --outfile ca-cert.pem

  28. certtool --generate-privkey --outfile server-key.pem

  30. certtool --generate-certificate --load-privkey server-key.pem --load-ca-certificate ca-cert.pem --load-ca-privkey ca-key.pem --template server.tmpl --outfile server-cert.pem

  32. cp server-cert.pem /etc/ssl/certs/
  33. cp server-key.pem /etc/ssl/private/
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4. 修改設定檔，只需要修改下面的行列
  1. ## config your own /etc/ocserv/ocserv.conf
  2. ## change the setting as below
  3. ## note the port 443 and ipaddress 10.10.0.0 are of your choice

  5. #auth = "plain[./sample.passwd]"
  6. auth = "plain[/etc/ocserv/ocpasswd]"
  7. #auth = "pam"
  8. ...
  9. #max-clients = 1024
  10. max-clients = 16
  11. ...
  12. #max-same-clients = 2
  13. max-same-clients = 10
  14. ...
  15. # TCP and UDP port number
  16. tcp-port = 443
  17. udp-port = 443
  18. ...
  19. #server-cert = ../tests/server-cert.pem
  20. #server-key = ../tests/server-key.pem
  21. server-cert = /etc/ssl/certs/server-cert.pem
  22. server-key = /etc/ssl/private/server-key.pem
  23. ...
  24. #run-as-group = daemon
  25. run-as-group = nogroup
  26. ...
  27. # The pool of addresses that leases will be given from.
  28. #ipv4-network = 192.168.1.0
  29. ipv4-network = 10.10.0.0
  30. ipv4-netmask = 255.255.255.0
  31. ...
  32. # dns = fc00::4be0
  33. #dns = 192.168.1.2
  34. dns = 8.8.8.8
  35. dns = 208.67.222.222
  36. ...
  37. #route = 192.168.1.0/255.255.255.0
  38. #route = 192.168.5.0/255.255.255.0
  39. #route = fef4:db8:1000:1001::/64
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5. 設定防火牆
  1. ## add the following to /etc/rc.local
  2. ## change the port 443 to the port you choose
  3. ## change the ip address 10.10.0.0 to the ip address you choose

  5. iptables -A INPUT -p tcp --dport 443 -j ACCEPT
  6. iptables -A INPUT -p udp --dport 443 -j ACCEPT
  7. iptables -t nat -A POSTROUTING -s 10.10.0.0/24 -o eth0 -j MASQUERADE
  8. iptables -A FORWARD -s 10.10.0.0/24 -j ACCEPT
  9. echo 1 > /proc/sys/net/ipv4/ip_forward
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6. 建立起動源碼
  1. ## create the ocserv init file at /etc/init.d/ocserv and make it executable by chmod a+x /etc/init.d/ocserv

  3. #!/bin/sh
  4. ### BEGIN INIT INFO
  5. # Provides:          ocserv
  6. # Required-Start:    $remote_fs $syslog
  7. # Required-Stop:     $remote_fs $syslog
  8. # Default-Start:     2 3 4 5
  9. # Default-Stop:      0 1 6
  10. ### END INIT INFO
  11. # Copyright Rene Mayrhofer, Gibraltar, 1999
  12. # This script is distibuted under the GPL

  14. PATH=/bin:/usr/bin:/sbin:/usr/sbin
  15. DAEMON=/usr/sbin/ocserv
  16. PIDFILE=/var/run/ocserv.pid
  17. DAEMON_ARGS="-c /etc/ocserv/ocserv.conf"

  19. case "$1" in
  20. start)
  21. if [ ! -r $PIDFILE ]; then
  22. echo -n "Starting OpenConnect VPN Server Daemon: "
  23. start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
  24. $DAEMON_ARGS > /dev/null
  25. echo "ocserv."
  26. else
  27. echo -n "OpenConnect VPN Server is already running.\n\r"
  28. exit 0
  29. fi
  30. ;;
  31. stop)
  32. echo -n "Stopping OpenConnect VPN Server Daemon: "
  33. start-stop-daemon --stop --quiet --pidfile $PIDFILE --exec $DAEMON
  34. echo "ocserv."
  35. rm -f $PIDFILE
  36. ;;
  37. force-reload|restart)
  38. echo "Restarting OpenConnect VPN Server: "
  39. $0 stop
  40. sleep 1
  41. $0 start
  42. ;;
  43. status)
  44. if [ ! -r $PIDFILE ]; then
  45. # no pid file, process doesn't seem to be running correctly
  46. exit 3
  47. fi
  48. PID=`cat $PIDFILE | sed 's/ //g'`
  49. EXE=/proc/$PID/exe
  50. if [ -x "$EXE" ] &&
  51. [ "`ls -l \"$EXE\" | cut -d'>' -f2,2 | cut -d' ' -f2,2`" = \
  52. "$DAEMON" ]; then
  53. # ok, process seems to be running
  54. exit 0
  55. elif [ -r $PIDFILE ]; then
  56. # process not running, but pidfile exists
  57. exit 1
  58. else
  59. # no lock file to check for, so simply return the stopped status
  60. exit 3
  61. fi
  62. ;;
  63. *)
  64. echo "Usage: /etc/init.d/ocserv {start|stop|restart|force-reload|status}"
  65. exit 1
  66. ;;
  67. esac

  69. exit 0
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7. 其他
  1. ## enable auto run ocserv service by update-rc.d ocserv defaults
  2. ## create your user account as ocpasswd -c /etc/ocserv/ocpasswd username
  3. ## config your route to allow the port to connect to ocserv

  5. chmod a+x /etc/init.d/ocserv
  6. update-rc.d ocserv defaults
  7. ocpasswd -c /etc/ocserv/ocpasswd username
複製代碼
8.最後重啟系統
  1. ## reboot the machine and openconnect server should work
複製代碼
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ckleea

Rank: 1
2#
發表於 2015-5-1 13:29 | 顯示全部帖子
我的介紹不是自動安裝scripts

需要 copy and paste 部分係 command line 行
部分需要 editor 修改

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ckleea

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3#
發表於 2015-5-1 13:34 | 顯示全部帖子
Reference:
http://blog.ltns.info/linux/vps_debian_ocserv_support_anyconnect/

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ckleea

Rank: 1
4#
發表於 2015-5-1 18:18 | 顯示全部帖子
An update

0.10.4 ocserv also works

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ckleea

Rank: 1
5#
發表於 2015-5-3 07:28 | 顯示全部帖子
更新了帖的instructions

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ckleea

Rank: 1
6#
發表於 2015-5-3 18:34 | 顯示全部帖子
If you use rsyslog to log the auth messages from ocserv

add the following lines into /etc/rsyslog.conf
# log messages from ocserv into /var/log/ocserv.log
if $programname == 'ocserv'  then /var/log/ocserv.log

It will log the message into /var/log/ocserv.log

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