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Release Note: BIG-IP Edge Client for iOS 2.0.9
Release Note

Original Publication Date: 09/27/2016

Summary:

In July 2016, Apple posted the release of the iOS Edge Client version 2.0.9. Users should download this new version from the app store.

Contents:

- User documentation for this release
- Features and enhancements in 2.0.9
- Behavior changes in 2.0.9 on iOS 10
- Known issues with iOS affecting Edge Client 2.0.9
- Fixes in 2.0.9
- Legal notices
- Contacting F5 Networks

User documentation for this release

For a comprehensive list of documentation that is relevant to this release, refer to the following pages:

Features and enhancements in 2.0.9

There are no new features or enhancements for this release.

Behavior changes in 2.0.9 on iOS 10

ID number Description
476958

When a user navigates to a site using the short form hostname, and the fully qualified hostname has been specified in the VPN proxy bypass list, on iOS 9 the proxy will not be used, and on iOS 10 the proxy will be used.

For example, suppose that in a network, lab-100.lab.siterequest.com is on the proxy bypass list, and the DNS suffix lab.siterequest.com is defined. When an Edge Client user tries to access the site using the address lab-100, the proxy is used on the iOS 10 client, but the proxy is not used on the iOS 9 client. On both iOS 9 and 10, the proxy is bypassed when the full address lab-100.lab.siterequest.com is used to access the site.

611899 When a user uses a per-app VPN configuration, that VPN connection is usually indicated with a VPN icon on the device status bar (at the top of the screen). In iOS 10, when an application that does not require the VPN is in the foreground, this VPN icon is not displayed. In addition, when Safari is used, even for a per-app VPN connection, the VPN icon is not displayed.
Note: The behavior for On-Demand and full device VPN configurations has not changed. For these configurations, the VPN icon is always displayed when the VPN connection is active, as long as the connection has not been disconnected.
618956 On iOS 9 a client proxy exclusion entry name or IP address could be specified with wildcards. For example, the entry *.lab.siterequest.com would match ab-100.lab.siterequest.com. The entry 172.29.68.* would match 172.29.68.20. In both examples, the client proxy was bypassed. On iOS 10, client proxy exclusion list entries that are specified with wildcards do not bypass the proxy.

Known issues with iOS affecting Edge Client 2.0.9

The following are known iOS issues that affect the user experience when Edge Client is used on an iOS device. These issues may be addressed in the future by Apple.

ID number Description
518576 After a user triggers VPN On Demand, when attempting to reach a domain that ends in .local, Safari displays the error message: Safari could not open the page because the server stopped responding. Such connections continue to fail until the user refreshes the web page.
557905 On iOS 9, if an managed app is being updated while Per-App VPN is active, the updated app might not make use of the active session until the active session is expired and a new one is created. As a workaround, wait until the current session expires, and restart the updated app.
559388 After users upgrade Edge Client to a later version (such as 2.0.7) on iOS 9, the following message might be displayed when launching applications that trigger VPN On Demand (including per-app VPN): Please launch Edge Client to enable the VPN connection. To address this issue, users, when prompted, should manually launch Edge Client to accept the use of VPN. VPN On Demand connections are not available unless users accept the use of VPN in Edge Client.
582315 If users first establish a VPN connection using VPN on-demand, the connection fails when the proxy is required to access the backend server. This happens when users enable proxy configuration in the network access resource, located on the server side, and the VPN configuration has VPN on-demand suffixes on the client side. To work around this issue, reestablish the connection by refreshing the webpage in Safari.
588205 When the iOS device goes into sleep mode, the on-demand connection terminates before the disconnect timeout. This can cause the iOS system to go into a non-recoverable state, disconnecting the VPN. In this state, Edge Client cannot reconnect, even when within the disconnect timeout limit.
591017 On iOS 9 with "Connect on Demand" enabled for a VPN configuration, the system downloads the proxy auto-config (PAC) file only after a delay. Users should wait for more than one minute after establishing the VPN tunnel so the PAC script downloads and applies.
591501 On iOS 9, when per-app VPN is triggered by Safari, the session is deleted after an inactivity timeout, instead of after the expected on-demand disconnect. Per-app VPN connections triggered by a provisioned application have sessions deleted correctly after an on-demand disconnect timeout.
596581 On iOS 9, if users create a VPN configuration that uses a client certificate, then deletes Edge Client, the certificate is removed as well.
611523 On iOS 10, when an Edge Client configuration requires no user intervention to start, a user can establish or stop a tunnel without unlocking the device.
611923 On iOS 10, Edge Client fails to establish a manual or on-demand VPN connection when a per-app VPN connection is already established. The following error is displayed: Server unreachable. Please check your network connectivity and server address. As a workaround, establish the manual or on-demand VPN connection before starting any per-app VPN connections.
612163 Sometimes when the Edge Client is disconnected and reconnected in a short period of time, the client displays the Connecting status when the VPN tunnel is already established. To workaround this issue, send the Edge Client app to the background, then reopen the client. The Connected state is displayed.
612412 On Edge Client for iOS 10, sometimes when a client connects to a Network Access resource that has no lease pool defined, the client connection fails without any message. With iOS 9, an error message is displayed.
612518 In the iOS 10 Edge Client, when connecting to a server with a configuration that uses an FQDN in native mode, when the DNS server cannot resolve the FQDN, the client fails to connect, and no error message is displayed. With the iOS 9 client, an error is displayed in the same situation.
612625 In Edge Client for iOS 10, IPv6 routes are added to the routing table to facilitate tunnel connections. These routes are not removed after the client connection is closed. These routes are removed on iOS 9.
612592 In Edge Client for iOS 10, when a connection is established and then a user moves to a wifi network that doesn't have access to the APM server, the connection status doesn't change from Connected to Reconnecting immediately. It takes about two minutes to establish the reconnecting state.
612629 In Edge Client for iOS 10, all Edge Client configurations are not displayed in the Notifications pane. When you slide down to see notifications, only the first 6 configurations are displayed. When you slide left to see notifications, only the first 8 configurations are displayed.
612767 On an iOS 10 device with Edge Client and cellular data enabled, if the virtual server for the Network Access connection becomes unavailable, Edge Client shows an error message after the timeout duration is reached, but remains in the Disconnecting state for 15-20 seconds. On iOS 9, the Disconnected state is reported immediately after the timeout.
612997 With Edge Client on iOS 10, when a user connects to a Network Access VPN tunnel with Client Proxy settings enabled in the Network Access resource, and a Client Proxy Autoconfig Script is configured, the settings are applied when Safari is started. Safari continues to use this PAC file even when the VPN connection is reestablished. As a workaround, quit and restart Safari to get the PAC file changes.
615858 When a managed application requires a per-app VPN connection, and that per-app VPN profile is removed from an iOS 10 device while the managed application is in the foreground, the VPN icon remains active on the device for 5-10 minutes.

Fixes in 2.0.9

ID number Description
597950 Previously, under certain conditions related to using iOS App Configurations with MDM solutions and iOS Edge Client, the Edge Client crashed and displayed only the background after Edge Client was stopped and restarted again. This crash no longer occurs.

Legal notices

Contacting F5 Networks

Phone: (206) 272-6888
Fax: (206) 272-6802
Web: http://support.f5.com
Email: support@f5.com

For additional information, please visit http://www.f5.com.

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