High CPU utilization (100%).
I observed high CPU utilization (100%) on F5 device, resource provision ASM nominal. I checked the client-side throughput and server-side throughput both are normal but found management interface throughput is very high and what i noticed this is happening in same time period for last 30 days. What could be the reason for this spike. Many thanks in advanced for your time and consideration.
Telemetry Streaming: getting HTTP statistics via SNMP
Hi F5 community, I am looking to get HTTP statistics (total count, and broken by response code) metrics from Telemetry Streaming via SNMP (seems to be the most viable option). F5-BIGIP-LOCAL-MIB::ltmHttpProfileStat oid: .1.3.6.1.4.1.3375.2.2.6.7.6 However, the stats don't seem to come out correct at all: I do see deltas happening, but they don't match at all the traffic rate I expect to see. Furthermore, I have done some tests where I would start a load testing tool (vegeta) to fire concurrent HTTP requests, for which I do see the logs from the virtual server, but no matching increment in the above SNMP OID entries on none of the profiles configured. What am I doing wrong? does something need to be enabled on the HTTP profile in use to collect those stats? Best, OwayssHelp with iRule Proxy
Hi team, I’m working on an iRule where I need to replace the path /admin with the root / and forward the request to the appropriate pool. However, I’m encountering issues with the rule, and it doesn't seem to work as expected. Here’s the first version I implemented: when HTTP_REQUEST { if {[string tolower [HTTP::host]] equals "test.com" and [HTTP::path] starts_with "/admin"} { HTTP::path [string map -nocase {"/admin" "/"} [HTTP::path]] pool POOL-A #log local0.info "Client Address --> [IP::client_addr] | Path: [HTTP::path] | Pool: POOL-A" } else { pool POOL-B #log local0.info "Client Address --> [IP::client_addr] | Path: [HTTP::path] | Pool: POOL-B" } } After some research, I saw that HTTP::path might need to be changed to HTTP::uri. I tried this version: when HTTP_REQUEST { # Log the original URI for debugging log local0. "Original URI: [HTTP::uri]" # Check if the URI starts with "/admin" if {[HTTP::uri] starts_with "/admin"} { # Modify the URI by replacing "/admin" with "/" set new_uri [string map {"/admin" "/"} [HTTP::uri]] HTTP::uri $new_uri # Log the modified URI for debugging log local0. "Modified URI: [HTTP::uri]" # Forward the request to the appropriate pool pool POOL-A } else { # Log default traffic for debugging log local0. "Default traffic - URI: [HTTP::uri], Pool: POOL-B" # Forward to the default pool pool POOL-B } } Issue: Neither version seems to work. When I test requests to /admin, the path replacement does not happen as expected or The replace of path does not allow me to reach any subfolders after root “/” (ex. help, etc etc) and on these objects we faced 404 not found error.Could someone point out what I might be missing or any best practices for this kind of path manipulation? Thanks!ICAP with iRule Response Page without ASM
Hello, We are running on Big IP 13.1.1.4 TMOS code and set up Content Adaptation for HTTP request to check files uploaded through one our Website using ICAP. It's working fine but in case any virus is detected the ICAP server modify the response and show it's own response. But we would like to redirect the end-user to a dedicated and corporate web page of our website. I prepared the below Irule but it's now working. when ADAPT_REQUEST_RESULT { if { ([ADAPT::result] contains "respond") } { log local0. "ICAP Response is [ADAPT::result], let's customized reject page" set response { <html> <head> <title>Virus Detected</title> <meta http-equiv="refresh" content="0;URL='https://int-www-01.citizensfla.com/virus-test'" /> </head> </html> } HTTP::header remove Content-Length #HTTP::payload replace 0 [HTTP::payload length] "" HTTP::payload replace 0 0 $response } } How we could redirect the POST of the user to a dedicated page within our website if a virus is found using ICAP internal VS. Many thanks in advance for any help on this matter. Regards Vijay
