Questions tagged [logging]
The process of recording diagnostic information, usually for the purposes of debugging and monitoring the status or "health" of various systems.
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Bots follow visitor around?
I noticed something strange in my server logs today. Several visitors were accessing the same pages with the same parameters at (basically) the same time.
I looked into it and found one that opened 29 ...
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Why is the Chrome-Lighthouse user agent hitting my server every day?
Every day, I find lines like this one in my access.log file:
74.125.210.42 - - [08/Mar/2023:08:11:13 +0100] "GET /fr/ HTTP/2.0" 200 24160 "-" "Mozilla/5.0 (Macintosh; Intel ...
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Earliest / easiest to implement way to detect browser, version, and screen size?
I'm currently experiencing something like a 90% difference between PPC clicks and GA4 reported devices. The only operating theory I have is that users are dropping off before Google Tag Manager loads ...
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Can Google show a simple list of URLs visited?
Is there a way for Google Analytics (v4) to show me a simple detail log of URLs visited?
I don't want any aggregate data, just a simple HTTP log like the kind you'd get from NGINX or something like ...
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Recording / Logging CSP Violations
I am in the process of implementing a CSP policy for a variety of domains and am looking for a method to record/log browser CSP violations encountered by any end user. I want to make sure I don't miss ...
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Is it possible and how to log a website internal connection activity?
For instance, I have developed a WordPress website and prepared to deploy to client's server. Since they request the site to be scanned in their VPN server first. For some reason, the application ...
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How long can anonymised log files be stored in the EU?
It seems to be standard industry practice to anonymise IP addresses etc. in web server log files after seven days. If this has happened, how long am I allowed to keep the log files? My reason for ...
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Generating Nginx log file entries for logrotate testing
How can I generate Nginx log file data for one or more test (burner) domains on a test server? I want to essentially mimic a live website with regular traffic being logged but without the provision of ...
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Why I am not seeing HTTP 304 response codes in my Apache logs?
Why I am not seeing HTTP 304 response code in my Apache logs even though my webpages are sending them? I've checked this in Chrome console:
My goal is to see which browsers are successfully using ...
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Identical records in IIS logs
While inspecting the web server logs, I came across several instances of separate records that look just the same. For example:
#Fields: date time s-ip cs-method cs-uri-stem cs-uri-query s-port cs-...
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Why am I getting requests for /js/comm.js for my website?
I've been checking the error 404 (or "Page not found") logs for my website and there's a bunch of entries for the /js/comm.js script with the user agent set to Mozilla/5.0 (Windows NT 10.0; WOW64; rv:...
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What means the "average Bytes" metric in logfiles?
I'm currently studying the logfiles - namely those from Googlebot access. I realized, that the average Bytes metric is in the majority of cases (urls) 10-20% of the page size. Many questions were ...
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Log folder permissions in Linux servers: Is it a good idea to use 0666?
Its a well known problem: When migrating or deploying systems often log folders are not writable because of permission problems. But giving 0777 on them can be a security problem in a production ...
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My Apache log file has nothing but "combinedio" on each line
I tried to view my Apache2 log with the following command:
sudo tail -100 /usr/local/apache2/logs/thewebsitename.log
and all it returned were 100 lines saying "combinedio" on each line. How can I ...
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How to set interval for aws application load balancer logs in s3 bucket
I have successfully enabled logging or my application load balancer and it saves the logs to my s3.
Right now it is saving the logs into
Amazon > S3 > xxxxxxxx-logs/ AWSLogs / xxxxxxxxxxxx /
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