Questions tagged [f5]

F5 makes the BIG-IP application delivery controller (ADC). The BIG-IPs features are concerned with making applications run fast, highly-available, and secure. Better known for its L7 (HTTP) load-balancing functionality, F5 also delivers application (Layer 7) security and resilience services in both hardware and software form-factors.

The tag is for questions related to products by F5 Networks.

332 questions
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Websphere Liberty authentication with iv-user from F5

Actual situation: I have a Liberty Server where my JEE - Application is running. If you enter the application liberty runs a Login Form where you can enter your userid and password, which will be checked by Ldap-Registry and eventually you´ll be…
CR92
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Spring Websocket not able to connect with Tomcat 8.5 and F5

We have a spring-websocket application that works fine when we use Tomcat 8.0. However, when we upgraded our Tomcat to 8.5 it stopped working. When looking at the networks trace from the F5 it appears the F5 receive the handshake response (101)…
Coudons
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Intermitent connection drop with iOS Browser/F5

We have an IIS website(ASP.net) that work at many location. We have a client where the website is hosted on IIS behind an F5(Big IP). When the client is connecting we have intermittent lost of connection. The issue arises more often with the…
Golgoth96
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Unable to SSH to F5 LoadBalancer through Perl

I am trying to connect to F5 load balancer through perl module Net::SSH2. I am unable to authentication error, whereas with the same credentials I am able to ssh to the device through putty. I have shared the Code and the error below for reference.…
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Hosting HTML page with mp4 video in IIS 8 not working with hostname

I have a simple html page with video element that plays a video file of mp4 extension. I hosted the page in IIS 8. The MIME Type is configured correctly by default. If I browse using the server name it works fine but when I use the hostname the…
A_Nabelsi
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Why shouldn't we allow body in a GET or HEAD request?

I'm coming to this from the InfoSec side, not the AppDev side, I just wanted to put that caveat in first. The issue is that my WAF is blocking certain images with the response, HTTP protocol compliance failed:Body in GET or HEAD requests. I need to…
centre21
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F5 irule in a script from console

We've got some user data stored in LDAP that has been "encrypted" by an iRule with the AES::Encrypt function. We now find we need to use the encrypted value elsewhere. We need to decrypt and re-encrypt it because : The Encrypt uses AES-CWC - which…
Max Allan
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Strip part of URI path with TCL

I'm fairly new with programming and TCL. I'm working on F5 iRules which utilize tcl. Essentially what I need to do is strip out the first portion (/Version_13.0.001/) of my URI path below: /Version_13.0.001/hs/user/123 Making the end result URI…
rowellos
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Python f5-sdk: ModuleNotFoundError: No module named 'icontrol'

I was trying https://f5-sdk.readthedocs.io/en/latest/ when this problem occurred. >>> from f5.bigip import ManagementRoot Traceback (most recent call last): File "", line 1, in File…
user11392987
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How to change a apache rewrite rule to an irule

On apache we have the following RewriteCond to block url's with a word in it.
RewriteCond %{QUERY_STRING} guest [NC]
RewriteRule .* - [F]

How can we transfer this condition to an irule so we can put this on the F5…
fabje
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F5 Config backup using powershell

I am trying to take config backup using Powershell RestMethod. Commands I tried executing in a terminal and it is working fine but when I am trying using PowerShell I am not able to take the backup Here for a try, I broke the command into 2. I have…
Sandy
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Big-IP F5 irule to change uri

Is there a way to change a URI without a redirect. I want to change the following URL https://example.com//q//w//et to https://example.com/q/w/et
user2926144
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keycloak running on openshift behind F5 fails with https

I'm running keycloak on openshift while I'm terminating my SSL on F5. I set PROXY_ADDRESS_FORWARDING=true and also configured my F5 to enable X-Forwarded-For and X-Forwarded-Proto as mentioned here. When I click on the admin console, keycloak…
ashvanth48
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How can I get the real IP address of Client behind F5 loadbalancer with Java socket

I am developing a Java application. The client sends socket request to the sever after the F5 loadbalancer. The server should record the IP address of the socket request. How can I get the real IP address of the client instead of the IP addreess of…
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SSE support in big IP f5 load balancer

I am using SSE to push notification to client. The articture for my dataservices is as follows: Client -> API Gateway(Spring cloud api gateway) -> f5(loadBalancer) -> (nginx) ->dataservice When the load balancer is out of the picture, my…