Community Activity
How does F5 Protect from Token Theft
We currently use F5 to establish secure connections to our remote desktop sessions for remote users. These users are using their personal machines so we dont provide any additional NextGen AV protectionToken stealing / Token Theft / Cookie session st...
iRule giving error: rule [/common/ecs_rule] error: /common/ecs_rule:6: error: [undefined procedure:
Hi I am trying to run a setup with GTM.Here I have ECS enabled on client requesting DNS query. Behind F5 I have 2 DNS server configured. Now I can see the packet recived by F5 has client subnet information.But F5 still round robin between the server ...
SSL issues with new setup
We are doing our actual implmentation of the F5 BigIP LTM VM version 17.1.03 (build 0.0.4). It's a little bit complcated because we are trying to load balance an application (Microsoft Dynamics Navision 2018) and not just HTTP or HTTPS traffic. How...
F5 ADC - url rewrite redirect with parsing
F5 ADC - url rewrite redirect with parsingHello,I would like to rewrite/redirect a url with parsing a part of old url into the new oneVocabulary : The Siret number is used to identify geographical location your company and each establishment that mak...
Bolt-on Auth with NGINX Plus and F5 Distributed Cloud
Inarguably, we are well into the age wherein the user interface for a typical web application has shifted from server-generated markup to APIs as the preferred point of interaction. As developers, we are presented with a veritable cornucopia of tool...
F5 DNS - iRule to rewrite NAPTR response
Hello,I'm almost new to F5 DNS, and I'm trying to find how to rewrite an NAPTR response from a backend DNS server and send it bacl to the calling client.The DNS server would answer this :test.apn NAPTR 10 100 "A" "x-test-pgw:x-s5-gtp:x-gn" "" topoff....
How to filter ASM logs by the client's real IP?
Hello everybody,I have an environment where I have two F5s, one external and one internal, however the ASM module is only enabled on the internal F5, in which the source IP that arrives is from the external self IP. I can view the client's real IP th...
Some Users redirected after receiving OTP
Some Remote users after passing client check and sent OTP are redirected to the authenticted page (to enter username and password again) Once the do this OTP mail wll be sent again , but redirected to authenticated page again stead of prompting them ...
what is the Pool limit to do URI redirection using irule
I have a VCMP guest LTM virtual box with 1 Core running on BIG-IP 15.1.9.1 Build 0.0.5 Point Release 1I have a requirement , With Single VIP listening on Port 443 and selecting the pool using iRules based on the URI for more that 200 Pools , Would th...
maintenance page irule
Hi, id like to force all traffic to hit a maintenance page irule regardless of pool member status, i have the following but how can i write this without the "if" so it will disaply everytime?when HTTP_REQUEST {if { [active_members [LB::server pool]] ...
GTM Three Load Balancing Method
Hello,Currently, the following Three-Tier LB has been setup:Preferred: Global AvailabilityAlternate: NoneFallback: Drop PacketAnd two pools ae configured in the Member Order: 0 - Pool A1 - Pool BReferring to the following document, is the sentence ma...
Resolved! Is there a way to trace connections?
Is there a tool within the Big-IP that allows you to trace inbound connection to see which virtual server its being processed by?
Resolved! Interrogate Pool Member Priority Group from iRule
Hi,Is it possible to programatically identifiy the priority group of a pool member from within an iRule? I'd like to be able to combine that information with the results of active_members to be able to present a status of which group(s) are currently...
Resolved! Downloading VE for VmWare
Hi Folks, we are in a process of deploying F5s in a VmWare environment. We will have them only licensed for LTM. My question is what .ova file am I downloading here? BIGIP-17.1.0.3-0.0.4.ALL-vmware.ovaORBIGIP-17.1.0.3-0.0.4.LTM-vmware.ovaThere could ...
Route 95% of traffic to 1 pool and 5% of traffic to another pool.
I'm looking at the best way to route 95% of our traffic to one pool and the remaining 5% to a different pool. Has anyone successfully done this before?
Understanding Man-in-the-Middle (MitM) Attacks and How to Defend Against Them
Understanding the Man-in-the-Middle Attack The Man-in-the-Middle (MitM) attack is a fundamental network session hijacking technique. This attack can block, alter, or intercept network traffic. For example, an attacker using MitM might discreetly cap...
Deploy BIG-IP ASM for API Application
DearsMy Manager informed me that we need to configure BIG-IP LTM and ASM for API application, what is the API application for F5? Is this different in implementation from normal web application or it is the same?Can you support me with guide or imple...
Reminder: MFA now required to log in to DevCentral
Hey everyone, We are now requiring multi-factor authentication (MFA) to log in to all DevCentral accounts in order to better ensure secure interactions on DevCentral. Please read our INITIAL ANNOUNCEMENT HERE. Logging in to F5 accounts – including D...
How to change TLS version 1.0 settings to version 1.2 or 1.3 in F5 DDoS product
Hello, My name is Muntae Kim. BIG-IP version:- BIG-IP 16.1.3.1- DDoS Hybrid Defender 16.1.0-9.0.20Currently, the traffic passing through the F5 DDoS product is communicating using TLS 1.0 version, which is unfavorable for security audits.[centos@ip-1...
How to use ‘PURGE’ and ‘PURGE_URL’ Method in F5 DoS products
Hello, My name is Muntae Kim.How to allow ‘PURGE’ and ‘PURGE_URL’ Method in F5 DDoS productBIG-IP version:- BIG-IP 16.1.3.1- DDoS Hybrid Defender 16.1.0-9.0.20When the server in the section passing through the F5 DDoS product executes the following c...
Resolved! Upgrade to 15.1.10
Hi,I want to upgrade my BIG-IP to 15.1.10.In previous version upgrade, there is option for Install Configuration (Yes/No) and I can select Source Volume. However, in 15.1.10, I cannot select Source Volume after I select Install Configuation to Yes. ...
Schedule automatic UCS F5 backup
Hi,I want to auto schedule F5 UCS backup. Please share the steps to configure scheduled auto backup in F5.
AI Safety: Navigating Deception, Emergent Goals, and Power-seeking Behaviors
Introduction This serves as a companion to the article I previously wrote on security of generative AI. In the previous article, I wrote about security however in this article I wanted to focus on safety of Artificial Intelligence. While safe...
Resolved! In an active/standby setup of ASM, with sync only device group, do signature updates sync up?
Hi;In an active/standby setup of ASM or AWAF, let's say we added the sync-only device group to synchronise any automatic policy changes. Would updating the attack signatures on the active device propagate that to the stand-by one or do I need to do t...
F5 SMTP Fast Template - SNAT Not working as expected
Hello all,I'm having issues with getting SMTP to work with the FAST templates. Specifically, I'm trying to configure an SMTP template with no SNAT option checked so the backend pool members received the original clients IP address, but while running ...
Resolved! NGINX Load balancing feature
Dears,I have just one simple question, what is the difference between the Passive health check in NGINX open source and the active health check that NGINX Plus offer,
Telemetry Streaming - Re-starting restnoded
Hello Everyone,I have a dilemma ever since I set up telemetry streaming. I noticed that the restnoded daemon is restarting (some days are more frequent than others) but I can't get my hand into the root cause of it and how to solve it.I have been kee...
Resolved! How long does it take for the automatic policy builder to build an AWAF or ASM policy? busy site
Hi;How long "as an estimate" does it take for the automatic policy builder to build an AWAF or ASM policy? I mean to a point where it tightens entities and signatures. The site is public and busy and I want to use comprehensive/slow policy building. ...
Resolved! Is the update and application of new AWAF attack signatures "Service Affecting"?
Hi;Is the update and application of new AWAF or ASM attack signatures "Service Affecting"? Also does applying the new attack signatures entail a reboot of the device?KindlyWasfi
Monitoring the statistics of LTM policy rules
HiI'm trying to monitoring the LTM policy rule invokation via SNMP but I failed.I have looked into http://oid-info.com/ and I have found the OID named ltmFwPolicyRuleStat but I failed to find the LTM Policies of my F5 BIG IP device in the output o...
