User Guide

Navigation menu

Welcome to OpenVPN project Wiki / Tracker
If the ping failed or the OpenVPN client initialization failed to complete, here is a checklist of common symptoms and their solutions:. What is PKCS 11? Connecting to a hotspot under the control of hackers can be dangerous. Depending on whether a provider-provisioned VPN PPVPN [ clarification needed ] operates in layer 2 or layer 3, the building blocks described below may be L2 only, L3 only, or combine them both. Other GUI applications are also available. OpenVPN tunnel session management options Configuration database management and backups Managing user and group properties from command line Create connection profiles and Connect Client installers Managing settings for the web services from the command line Authentication options and command line configuration Additional security command line options Limited IPv6 support built into the Access Server Advanced option settings on the command line Return to previous page Navigate to parent page. A bridge is created when a bridge interface is defined.

Tenta is a private & encrypted browser that protects your data instead of selling it

The browser that doesn't sell you out

This article is in a list format that may be better presented using prose. You can help by converting this article to prose, if appropriate. Editing help is available. This section needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.

August Learn how and when to remove this template message. Cisco Secure Virtual Private Network. Internet working Technologies Handbook, Third Edition. Cisco Press, , p. Digital Subscriber Line Engineering Consortium, , p.

Archived from the original on 15 June It just happens to interoperate with their equipment. Comparing, designing, and deploying VPNs 1st print. Retrieved 29 August Generic Routing Encapsulation over IPv4 networks. Networking Technology Series 4 ed. Closing the Gap" , SearchMobileComputing. Retrieved 19 October Layer 2 Forwarding Protocol DirectAccess.

Freenet Tresorit TeamDrive Wuala. Internet censorship circumvention technologies. Program Think Blog Great Cannon. Retrieved from " https: Network architecture Computer network security Internet privacy Crypto-anarchism Virtual private networks. Articles needing cleanup from November All pages needing cleanup Articles with sections that need to be turned into prose from November Use dmy dates from August Wikipedia articles needing clarification from May All articles with unsourced statements Articles with unsourced statements from June All articles that may contain original research Articles that may contain original research from June Articles needing additional references from August All articles needing additional references Articles with unsourced statements from December Articles containing potentially dated statements from All articles containing potentially dated statements Wikipedia articles needing factual verification from June Articles with specifically marked weasel-worded phrases from June Articles with unsourced statements from April Views Read Edit View history.

In other projects Wikimedia Commons. This page was last edited on 19 September , at By using this site, you agree to the Terms of Use and Privacy Policy. Every version is contained in its own squashfs image that is mounted in a union filesystem together with a directory for mutable data configs etc.

It's been deprecated since the time image installation was introduced long before the fork , and does not provide any version management capabilities.

You should not use it for new installations even if it's still available in new versions. You should not worry about older systems installed that way though, they can be upgraded with "add system image". Operational mode allows for commands to perform operational system tasks and view system and service status, while configuration mode allows for the modification of system configuration. The command tree page lists available commands and their functions.

The CLI provides a built-in help system. In the CLI the [? The [tab] key can be used to auto-complete commands and will present the help system upon a conflict or unknown value. For example typing sh followed by the [tab] key will complete to show. Pressing [tab] a second time will display the possible sub-commands of the show command.

When the output of a command results in more lines than can be displayed on the terminal screen the output is paginated as indicated by a: To exit configuration mode, type exit. Below is a very basic configuration example that will provide a NAT gateway for a device with two interfaces. VyOS makes use of a unified configuration file for all system configuration: This allows for easy template creation, backup, and replication of system configuration. Because configuration changes are made using set and delete commands, the commands to generate the active configuration can also be displayed using the show configuration commands command.

Configuration changes made do not take effect until committed using the commit command in configuration mode. In order to preserve configuration changes upon reboot, the configuration must also be saved once applied. This is done using the save command in configuration mode. Configuration mode can not be exited while uncommitted changes exist.

To exit configuration mode without applying changes, the exit discard command can be used. VyOS also maintains backups of previous configurations. To compare configuration revisions in configuration mode, use the compare command:. You can rollback configuration using the rollback command, however this command will currently trigger a system reboot. Configured interfaces on a VyOS system can be displayed using the show interfaces command. Different network interfaces provide type-specific configuration.

Ethernet interfaces, for example, allow the configuration of speed and duplex. Many services, such as network routing, firewall, and traffic policy also maintain interface-specific configuration. These will be covered in their respective sections. Ethernet interfaces allow for the configuration of speed, duplex, and hw-id MAC address.

Below is an example configuration:. Statistics available are driver dependent. The term used for this is vif. A bridge is created when a bridge interface is defined. Interfaces assigned to a bridge-group do not have address configuration.

An IP address can be assigned to the bridge interface itself, however, like any normal interface. STP is disabled by default. Please use caution when introducing spanning-tree protocol on a network as it may result in topology changes. STP priority , forwarding-delay , hello-time , and max-age can be configured for the bridge-group.

The MAC aging time can also be configured using the aging directive. You can combine aggregate 2 or more physical interfaces into a single logical one. It's called bonding, or LAG, or etherchannel, or portchannel. You may want to set IEEE VyOS is a "router first" network operating system. A typical use for a static route is a static default route for systems that do not make use of DHCP or dynamic routing protocols:.

Another common use of static routes is to blackhole drop traffic. This does not prevent networks within these segments from being used, since the most specific route is always used. It does, however, prevent traffic to unknown private networks from leaving the router. Commonly refereed to as leaking. Note that routes with a distance of are effectively disabled and not installed into the kernel.

A typical configuration using 2 nodes, redistribute loopback address and the node 1 sending the default route:. VyOS supports Policy Routing, allowing traffic to be assigned to a different routing table. Traffic can be matched using standard 5-tuple matching source address, destination address, protocol, source port, destination port. The following example will show how VyOS can be used to redirect web traffic to an external transparent proxy:. To create routing table and add a new default gateway to be used by traffic matching our route policy:.

QOS on a per-rule basis for matching traffic. In addition to 5-tuple matching, additional options such as time-based rules, are available.

See the built-in help for a complete list of options. VyOS makes use of Linux netfilter for packet filtering. The firewall supports the creation of groups for ports, addresses, and networks implemented using netfilter ipset and the option of interface or zone based firewall policy. Important note on usage of terms: The firewall makes use of the terms in , out , and local for firewall policy. This is not the case. As an alternative to applying policy to an interface directly, a zone-based firewall can be created to simplify configuration when multiple interfaces belong to the same security zone.

Instead of applying to rulesets to interfaces they are applied to source zone-destination zone pairs. An introduction can to zone-based firewalls can be found here. For an example see Zone-policy example. Firewall groups represent collections of IP addresses, networks, or ports. Once created, a group can be referenced by firewall rules as either a source or destination.

Members can be added or removed from a group without changes to or the need to reload individual firewall rules. Is this an MTU problem? Everything seems to be configured correctly, but I can't ping across the tunnel. Can OpenVPN handle the situation where both ends of the connection are dynamic? I want to set up an ethernet bridge on the Changed hex bytes in the static key, the key still connects to a remote peer using the original key.

Download in other formats:

Basics of VPN

Welcome to OpenVPN project Wiki / Tracker. This is the official OpenVPN community project wiki and bug tracker. To create content you have to register first. If you have any issue registering, please see the "Contact us" section below. General. How can I build a binary RPM package for my specific Linux platform? On Slackware, I get the error: Cipher algorithm 'BF-CBC' not found (OpenSSL). HOWTO Introduction. OpenVPN is a full-featured SSL VPN which implements OSI layer 2 or 3 secure network extension using the industry standard SSL/TLS protocol, supports flexible client authentication methods based on certificates, smart cards, and/or username/password credentials, and allows user or group-specific access control .