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96 lines
2.5 KiB
Markdown
96 lines
2.5 KiB
Markdown
ocserv
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======
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[OpenConnect server][1] (ocserv) is an SSL VPN server. Its purpose is to be a
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secure, small, fast and configurable VPN server.
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## docker-compose.yml
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```yaml
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ocserv:
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image: vimagick/ocserv
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ports:
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- "4443:443/tcp"
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- "4443:443/udp"
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environment:
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- VPN_DOMAIN=vpn.easypi.pro
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- VPN_NETWORK=10.20.30.0
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- VPN_NETMASK=255.255.255.0
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- LAN_NETWORK=192.168.0.0
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- LAN_NETMASK=255.255.0.0
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- VPN_USERNAME=username
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- VPN_PASSWORD=password
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cap_add:
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- NET_ADMIN
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restart: always
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```
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> - :warning: Please choose a strong password to protect VPN service.
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> - These environment variables are used to generate config files/keys.
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> - VPN accounts can be managed via [ocpasswd][2] command.
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> - VPN status can be viewed via `occtl` command
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> - You can edit the config file [/etc/ocserv/ocserv.conf][3], then restart service.
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## up and running
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```bash
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$ docker-compose up -d
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$ docker-compose exec ocserv sh
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>>> cd /etc/ocserv/
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>>> echo 'no-route = 1.2.3.4/32' >> /etc/ocserv/defaults/group.conf
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>>> ocpasswd -c ocpasswd username
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Enter password: ******
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Re-enter password: ******
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>>> exit
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$ docker-compose restart
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$ docker cp ocserv_ocserv_1:/etc/ocserv/certs/client.p12 .
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$ docker cp ocserv_ocserv_1:/etc/ocserv/certs/server-cert.pem .
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$ docker-compose logs -f
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```
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> You need to access your vpn server directly with `no-route`.
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To remove the password protection of `client.p12`:
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```bash
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$ mv client.p12 client.p12.orig
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$ openssl pkcs12 -in client.p12.orig -nodes -out tmp.pem
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$ openssl pkcs12 -export -in tmp.pem -out client.p12 -passout pass:
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$ rm tmp.pem
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```
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> :warning: Apple's Keychain Access will refuse to open it with no passphrase.
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## mobile client
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There are two auth types:
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- :-1: passwd: type everytime
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- :+1: certificate: import once
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```
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AnyConnect ->
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Connection ->
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Add New VPN Connection... ->
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Advanced Preferences... ->
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Certificate ->
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Import ->
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File System: client.p12
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```
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> :question: Android client show warning dialog: `Certificate is not yet valid.` ([WHY?][4])
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## desktop client
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[download](https://www.cellsystech.com/software/anyconnect/)
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`client.p12` and `server-cert.pem` can be imported into keychain.
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[1]: http://www.infradead.org/ocserv/
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[2]: http://www.gnutls.org/manual/html_node/certtool-Invocation.html
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[3]: http://www.infradead.org/ocserv/manual.html
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[4]: http://www.cisco.com/c/en/us/td/docs/security/vpn_client/anyconnect/anyconnect31/release/notes/anyconnect31rn.html
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