Community Activity
ASM blocked request contains & (ampersand) symbol in parameter value
ASM thinks that in a parameter value the "&" and space is the beginning of a new parameter and thus blocks on AMF body context for a command execution signature and does not check the built parameter. Should it be recommended to the developers that t...
Upgrade F5 Deploy Hotfix deployment
We are upgrading our LTM's to 16.1.4.1 Build 5 and had a question about installing the hotfix. Should I install the hotfix intially when I upgrade the system? Thanks,Joe
Mitigation of OWASP API Security Risk: BOPLA using F5 XC Platform
Introduction: OWASP API Security Top 10 - 2019 has two categories “Mass Assignment” and “Excessive Data Exposure” which focus on vulnerabilities that stem from manipulation of, or unauthorized access to an object's properties. For ex: let’s say ther...
What does BigIP Internal Module, N/A and Blocked by DoS Layer 7 Enforcer refers to, in HTTPAnalytics
Hello Everyone,I got stumbled upon the terms mentioned below when I exported the pdf from HTTP AnalyticsBigIP Internal ModuleN/ABlocked by DoS Layer 7 Enforcer.Is anyone familiar with, what this refers to in the HTTP Analytics in the F5 BIG-IP system...
404 error with support ID on CLoud Console
Ou application is on F5 Cloud WAF sometimes it is inaccessible and throwing support ID with error code 404 and also same time when we try to search support ID it is not showing logs. This logs issue is for all support ID's that we receive when site i...
Can BIG-IQ forward ASM event log which receive from BIG-IP to syslog server?
HiRight now we have all BIG-IP send ASM event log to BIG-IQ. Question isCan BIG-IQ forward ASM event log which receive from BIG-IP to syslog server?or I need to config on each BIG-IP to send ASM event log to both (BIG-IQ and syslog server) instead.
Resolved! How to ensure source address and source port are accepted and traversed properly via F5 SNAT automap
Dear community,I’m trying to reverse engineer and configure F5 with SNAT enabled for local and distributed static analysis from nginx vendor sample config given: http { server { ... ... location / { ... ...
Resolved! Need help in finding pools with only only one pool member
Hello,I need help in finding pools with only only one pool member. Please let me know if this can be done via any command or script.
two different route domains for the vserver lan and pool lan
Hi!In order to reduce a possible attack from the internet where a remote client could enter the server LAN through the vserver IP and from there attack the private LANs, it was decided to separate the vserver LAN and the real nodes LAN through two di...
How to force close TLS sessions in a failover scenario
Hi,We have an application behind Big-IP which doesn't handle failovers well.The Big-IP keeps all TLS sessions consistent and open during failover but the application doesn't support TLS resume for a session and this causes problems in the app.I'm loo...
remove a node from multiple pools using bash
I have a node that I would like to delete from multiple pools that is running on different ports. I tried the command below, and while it removes some, I noticed it doesn't delete the members that are in offline or disabled mode. Any help would be gr...
Question about creating a virtual server with different source IP on the same destination IP & port
hi team Because we use English through a translator, there may be problems with delivery. Thank you for your understanding. Here's what I'm curious about: There is already a virtual server 1 called source 0.0.0.0 / destination 192.168.1.100/32 port 4...
Resolved! Passing Client CAC / Smart Card Cert to Application Server
I am reaching to see if anyone has created or come across the most stream line process of passing a Client cert through F5 which then reaches the an Application server.The most important piece of data that needs to reach the server is just the CN (Co...
Two big-ip partitions sharing the same pool
Hi, I have created a ner partition and configured a routing domain for a new vserver. Is it possible to configure a different child routing domain for the pool wich resides in a different lan from the vserver and configure the pool as local even if ...
how to redirect host and uri on different location.
Hi,can you instruct how to redirect host and host/uri to the different redirect?for example:https://www.abc.com redirect to https://www.newsite.com/ but when we have https://www.abc.com/any_other_uri (any other uri below www.abc.com/ "for example...
Appworld 2024 -San Jose
Anyone planning on attending?Things you would like to see / covered?
Transparent proxy virtual servers
Can please help how we can create virtual server as transparent proxy. There is a requirement to create the VS without SSL and the backend server needs be authenticate the request via actual client IP.Understand that we can use XFF header but http pr...
Normalising URL's
HiI'm trying to upgrade to 16.1.4 from 16.1.3 seems like F5 have introduced automatic path normalisation. Seems to be around the usage of 302 for APM when it sends it to /my.policyWhat do I mean.The starting urlhttps://example/Base/second//third?a=1U...
DevCentral Visits: AWS re:invent 2023
Buu Lam is down in Las Vegas this week for AWS re:invent! Keep up with his adventures in this thread and make sure to subscribe to the DevCentral Youtube channel to get the latest updates. Go give Buu Lam a follow on LinkedIn while you're at it!
WinRAR, human curiosity and VM escapes - Nov 13th - 19th, 2023 - F5 SIRT - This Week in Security
This Week in SecurityNovember 13th - 19th, 2023WinRAR, human curiosity and new CPU-based virtualization escape vulnerabilities Editor's introduction Aaron here as your editor this week for a round-up of notable security news that caught my eye. Ke...
Resolved! F5 Labs for r-series platforms
Anybody happened to know if there are F5 LABs for r-series platforms?Thanks.
ASM DoS Profile blacklist duration
Hi,We had to create a DoS profile for a virtual server at the weekend due to a DoS attack.I have activated three vectors in the profile- Behavioral Anomalous Bad Actors- Stress-based High-Volume Client IP- TPS-based High-Volume Client IPRequest Block...
F5 APM AD login
Hi Team,As part of APM AD integration - i am able to login with SAM Account user to logon page. But with email address it is failing. How to allow email id user login?
Resolved! Modifying multiple entries in a datagroup via api?
We have a datagroup with entries like this: domain1.com := virtual /Common/www.domain1.com_vs_443 domain2.com := virtual /Common/www.domain2.com_vs_443 domain3.com := virtual /Common/www.domain3.com_vs_443 And so forth. This datagroup gets used by a...
Replace host & aliases URL
hello, We have development with the application for requirement the format, example the application url :- mysite.com/apps/asset/post ---> it's want like access ----> backsite.com/migration/asset/post- mysite.com/apps/dss/front ---> it's want like ac...
APM not loading Web Applicaiton Properly after the Auhtenticaiton is successful
Hi Community, I have a very straight forward setup where, single F5 device running apm and ltm publishing one web service. AD authentication is successful and after that user is redirected to the web application pool but the problem is it doesn't loa...
Resolved! qkview process stuck
I tried to create a qkview file. But the system got stuck on "Loading receiving configuration from your device" and has been loading for over 48 hours.I was looking at "K11419837: Troubleshooting qkview process stuck/stalled". and K61154426: Troubles...
VIP stats required
Hi folks,we need to gather stats for multiple vips like total bandwidth and total number of HTTP requests for a month we need a ball park figure for that. How we can gather these if we are not using/provisoned AVR module.
GTM- Zone list (Offline (Enabled) - Failed AXFR)
Dears,I need to enable DNS Express but locally on GTM, I mean GTM will act as DNS.But when I created zone list , it shown offline and did not appare in zonerunnerplease check attached, version 17.0.0
Multi-Tiered Application Architecture Question
Hello all, I'm studying for the LTM 301a exam and one of the topics is multi-tiered architecture. So I thought I'd come here to the experts who have way more experience than I do, for some advice to help me better understand it. Also, I find it odd t...
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