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    Litespeed generated 500 errors on POST

    Hi, We've been using Litespeed for many years without any problems but a couple of days started getting some 500 errors come up that we can't reproduce. Using LS 6.0.8 but also happened in 6.0.5. Debug log: 2021-09-11 16:01:23.738460 [DEBUG] [29960] [T0] [XXX.XXX.XXX.XXX:13498#ServerV2] use...
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    Failed to parse IP address [unknown] in X-Forwarded-for header

    Hi, We use CloudFlare to protect our website but recently I have noticed some errors in the error.log: 2015-02-04 11:51:49.903 [INFO] [141.101.99.193:48850-0] Failed to parse IP address [unknown] in X-Forwarded-for header, use original IP 2015-02-04 11:51:52.058 [INFO]...
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    [Resolved] DDoS - long requests

    Hi, We are currently on the receiving end of a distributed DDoS attached (luckily not very big though). They have the clients 'POST'ing to a URL that we have disabled access to via htaccess so it points to a 403 page. But even with this, it is seriously taking resources on our web servers so...
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    Client IP in Header - for different websites?

    Hi, I need to use the feature 'Client IP in Header' but only for certain virtual hosts. Is this possible or is it a global only thing? If it's not possible, is there a way I can add a custom header so the real IP of the user is put in X-Forwarded-For if it doesn't exist? The problem...
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    Client IP in Header

    Hi, We are about to use a DDoS protection service that will place the real vistors IP address in the following server variable: HTTP_X_REAL_IP I see there is the 'Use Client IP in Header' setting for this but it looks like it will look at: X-Forwarded-For Is it possible to get it...
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    Connection reset by peer

    Hi, I'm getting a lot of these in my log files: 2012-03-18 15:01:46.919 [INFO] [removed:34994-0#APVH_removed] connection to [/tmp/lshttpd/lsphp5.sock.461] on request #195, confirmed, 0, associated process: 21531, running: 1, error: Connection reset by peer! 2012-03-18 15:01:46.921 [INFO]...
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    Connection idle time

    Hi, I get a lot of these in these in my logs: Followed by: It happened to me eariler, I always get a blank white page when this error happens. Many thanks, Ian
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    Time_wait

    Hi, I run a busy web server, currently I have 62,000 connections in TIME_WAIT and this is causing me O/S problems. Is there something in the LiteSpeed configuration I can do and get try and reduce this? Many thanks, Ian
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    [solved] Too many open files

    Hi, Around once per hour I am getting the email: LiteSpeed Web server server on server restarts automatically to fix 503 Errors Fair enough, I check my log files and I can see this is the problem: 2011-07-20 22:51:28.771 [ERROR] HttpListener::acceptConnection(): [***.***.***.***]...
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    Error log messages

    Hi, I've been curious about for a while and I'm sure it's something very simple. I get a lot of the following lines in my error log: 2011-07-15 15:01:53.700 [NOTICE] [***.***.***.***:57146-0#APVH_domain.com] Content len: 11, Request line: 'POST /l.php HTTP/1.1' The l.php is not relevant...
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    Connection Limit - how to handle proxy servers

    Hi, My ISP (one the biggest in the UK) has started routing traffic to my website through a transparent proxy server. This is fine except LiteSpeed is blocking the requests due to the connection limit. I'm seeing: [*.*.*.*] is over per client soft connection limit: 15 for 17 seconds...
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    [solved] Retry with new instance.

    Hi, We have a PHP script that runs some MySql queries, it is for reporting and these queries can take up to a minute. That is not a problem for us. The problem is after x seconds, LiteSpeed restarts the process with: [NOTICE] Retry with new instance. In the log file. If I'm...
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    Real-time stats

    Hi, I have a fairly busy server (around a million visitors a day) and until very recently my "Connections: HTTP Used" used to be around 300-500 constantly. Now though, it is between 0 and 4. My server is responding fine though and the amount of traffic is the same, just for some reason...
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    stop worker processes

    Hi, Can someone please explain what these entries are: 2010-11-11 20:26:09.085 [NOTICE] [APVH_adfly_Suphp:] stop worker processes I'm getting 1 or 2 every minute. This is a new thing, been running LiteSpeed for a month or so this has only happened recently. Is it connected to a PHP...
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