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Model Library:2025-02-08 Updated:A.I. model is online for auto reply question page
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26-04-19 18:19:50
Wilson Edwards
Reply:11
Post_ID:829410apche;centos;httpd and www
Accept
Some online http and www checker is passed the test or but some are notWhat is eaxct method to test redirect correctly ?
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26-04-19 17:29:02
Wilson Edwards
Reply:7
Post_ID:829402lets-encrypt;apache
Accept
how to install lets-encrypt SSL certificate at diffierent httpd location ?and we also found the error:"Detail: Invalid response from http://.../.well-known/acme-challenge/asedseadasasrwww... 404"Seems, the file is not found from 404 messagehow to solve the error?
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26-04-19 17:10:14
Norton Alex
Reply:3
Post_ID:829295javascript
Accept
my html page calling many javascript file, I worry, some function name will be double or over-written by each other. Any method to prevent this .Please advise;
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26-04-19 17:03:51
rwniceing
Reply:14
Post_ID:829224Linux;Apache Web Server
Accept
Dear Expert, My VPS account only have 20G which is too small to install some package. From memory, I had shared-account before, it could have unlimited disk-space usage. Why on VPS account, they just provide around 20G-80G disk-space , such small? Why don't use umlimited disk-space plan for VPS server ? What different linux system hard-disk arrangement they are using for shared and VPS account ? Please advise Rwnicewing
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26-04-14 22:37:02
bledington
Reply:7
Post_ID:828803Microsoft Hardware
Accept
I have a strange problem with my laptop. The actual location of the @ and ". The @ is on the top left above the number 2 and types as". The " key is above the ' key and types as @. I am in the UK and my regional and language settings are correct. How can I get the keys to function properly?
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26-04-14 18:28:26
Wilson Edwards
Reply:2
Post_ID:829360javascript;html;css
Accept
I would like to create child node inside of body tag and enclosing all elements inside body tagby javascript code;For example:Before:<html><body><div></div><a></a><span></span></body></html>After, if I would like to see this reuslt, creating new div tag enclose everything inside of body tag, new div tag 's id is new_child_nodeAfter:<html><body><div id='new_child_node'><div></div><a></a><span></span></div></html></body>Please advise
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26-04-13 23:24:30
RWayneH
Reply:14
Post_ID:829081Microsoft Excel Spreadsheet Software
Accept
How do I do the following in VBA. I can explain in English what I would like it to do. Goto column O (letter not zero) of the active sheet, and count the number of times the letter “S†is there. Place the result in cell A6 even if it is zero. Then Goto column Q and tell if there is a value of “WD†in that column? If so, place that value in cell A7, if does not exist, leave A7 blank.
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26-04-13 23:23:18
rowby
Reply:5
Post_ID:828876Apache Web Server
Accept
Hello I have a number of pages that start with the same words in the file name that I want to redirect to another domain. Example: http://www.olddomain.com/fruits-that-taste-good http://www.olddomain.com/fruits-that-taste-bad http://www.olddomain.com/fruits-that-taste-sweet http://www.olddomain.com/fruits-that-taste-sour I want to do a 301 redirect to the following http://www.newdomain.com/fruits-that-taste-good http://www.newomain.com/fruits-that-taste-bad http://www.newdomain.com/fruits-that-taste-sweet http://www.newdomain.com/fruits-that-taste-sour Is there a way to do a rule that will take the wild card "fruits-that-taste-*" and direct all of those to the new domain -- without having to type each page Something like this (of course I am not using the right syntax: Redirect 301 http://www.olddomain.com/fruits-that-taste-* http://www.newdomain.com/* Not sure if this is at all possible. Looking at my existing htaccess file I see that it is already using RewriteRule for other items. I read somewhere that RewriteRule is used for more elaborate directs. So it is available if it helps with this solution. Thanks! Rowby
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26-04-13 23:18:58
brothertruffle880
Reply:3
Post_ID:829053Microsoft Excel Spreadsheet Software
Accept
I have about 14 columns which have been modified to different sizes. I would like to bring them all back to the standard width as defined in the properties window. What is the VBA code to do this?
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26-04-13 23:18:05
tolinrome
Reply:18
Post_ID:828920Linux;SSH / Telnet Software;Linux Network Security
Accept
I'm using scp to copy a file from a remote device to a remote location. When asked for the password it says: , permission denied, please try again. Of course the password is 100% correct. Why wont it let me copy the file to the remote server? Here is the script: tmsh save /sys ucs ${SysName}_${Date}.ucs ${Delay:120} scp /var/local/ucs/${SysName}_${Date}.ucs username@1.2.3.4:${SysName}_${Date}.ucs password [root@DEVICE:Standby:In Sync] ucs # scp /var/local/ucs/${SysName}_${Date}.ucs user4@10.10.5.7:${SysName}_${Date}.ucs The authenticity of host '10.10.5.7 (10.10.5.7)' can't be established. RSA key fingerprint is b2:d0:cd:0b:27:db:08:5c:bc:57:28:26:64:0d:f6:11. Are you sure you want to continue connecting (yes/no)? y Please type 'yes' or 'no': yes Warning: Permanently added '10.10.5.7' (RSA) to the list of known hosts. user4@10.10.5.7's password: Permission denied, please try again. user4@10.10.5.7's password: Permission denied, please try again. user4@10.10.5.7's password: Received disconnect from 10.10.5.7: 2: Too many attempts. lost connection
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26-04-13 23:17:02
fh_freese
Reply:6
Post_ID:829025Microsoft Excel Spreadsheet Software
Accept
Expert, In automating this workbook for the client, I've been ask to populate formulas from the attached worksheet to other cells in the same workbook labeled "Consolidated". The range to be populated in the "Consolidated" worksheet would be C6:U17. For example, in cell C6 the formula needs to be ''Jan 14'!B37, cell D6= 'Jan 14'!C37, cell E6 = 'Jan 14'!D37. This is the pattern for each month. Currently, they have 15 Projects for 2014. Next year, they may want to add another year in the same work book and update the formulas in the Consolidated worksheet. Adding the next year worksheet with the correct tabs labeled has been solved. If I can get a macro that updates the months in the Consolidated for the first year as attached I know I can use that for upcoming year(s). If I'm unclear, please advise. Thanks to all. Attachment: Consolidaed-with-Formulas.xlsm
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26-04-13 23:16:08
delitso
Reply:5
Post_ID:828919General Laptop;Embedded Hardware
Accept
I have a Toshiba P75-A7100 Laptop. It Got a little shaken up the other day and when I go to boot it now it asks for the bios password I removed the Battery and it still asks for the password. I looked for the jumper to reset it and can not find it. Tech support wants me to send it back and that is just ridiculous. The laptop is maybe a week old. Anybody have any ideas where the reset jumpers maybe on this laptop.
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26-04-13 23:14:56
test test
Reply:3
Post_ID:829382googlebot;cloudflare;centos7
my website server is using centos7 OS with cloudfare, recently, I found only index.php of my site is indexed in google search, why ? I have thousands of question pages at my websites.When I update my sitemap.xml at google search console that is fine and passed, but when I submit other pages at URL inspection tool, it found no referring sitemap detected. So I suspected it may be sitemap.xml can be crawled but google not know the xml file..any advice. ?
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26-04-13 23:08:28
nchoful
Reply:6
Post_ID:828788Web Services
Accept
i registered two domains with godaddy recently. ie afrilinkconsult.com and afrilinksecurities.com. i i also bought a web hosting. i was told the hosting can host unlimited domains. my understanding was that i could host different domains with different web contents all at once. i realised that after hosting the afrilinkconsult.com, if i open the page to afrilinksecurities.com, it takes me to the same pge as afrilinkconsult.com do i have to buy anothe hosting for afrilinksecurities.com? if yes, what does godaddy mean when they say thehosting is for unlimited websites.
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26-04-13 22:42:09
Wilson Edwards
Reply:3
Post_ID:829356centos 8
as title for the question, I read the link,https://devco.re/blog/2014/06/19/client-ip-detection/ it works , for php as following code., Any other method besides php code, to dectect the ip is real ip not VPN not TOR IP not proxy IP?<?php if(!empty($_SERVER['HTTP_CLIENT_IP'])){ $myip = $_SERVER['HTTP_CLIENT_IP']; }else if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){ $myip = $_SERVER['HTTP_X_FORWARDED_FOR']; }else{ $myip= $_SERVER['REMOTE_ADDR']; } echo $myip; ?>
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26-04-13 22:32:00
test test
Reply:15
Post_ID:829357cloudflare;google chrome;apache
Accept
Question 1- Cloudflare show warning, too may redirect on chrome solvedAnswer: solved by removing all redirect from http to https since cloudflare will handleall redirect from http.Since in apahce httpd.conf, we added the following for http to https and except some directorybased on this linkhttps://stackoverflow.com/questions/5818146/how-to-force-rewrite-to-https-except-for-a-few-pages-in-apache#RewriteEngine on#RewriteCond %{SERVER_NAME} =computer28.com [OR]#RewriteCond %{SERVER_NAME} =www.computer28.com#RewriteRule ^https://%{SERVER_NAME}%{REQUEST_URI}[END,NE,R=permanent]#RewriteEngine on#RewriteCond %{HTTPS} =off#RewriteCond %{REQUEST_URI} !^\/local\/#RewriteCond %{REQUEST_URI} !^\/world\/#RewriteRule (.*)https://%{HTTP_HOST}/$1[L,R=301]#RewriteCond %{HTTPS} =on#RewriteCond %{REQUEST_URI} \/fid\/ [OR]#RewriteCond %{REQUEST_URI} \/php\/#RewriteRule (.*)http://%{HTTP_HOST}/$1[L,R=301]Comment it all, it works nowQuestion-2:How to Fix ERR_QUIC_PROTOCOL_ERROR Message in Chrome Browserwhen using cloudflareAnswer-2https://kinsta.com/knowledgebase/err_quic_protocol_error/https://www.hostinger.com/tutorials/how-to-fix-err-quic-protocol-errorchrome://net-internals/#dnsHTTP/3 Cheker:https://http3check.net/?host=computer28.comhttps://kinsta.com/knowledgebase/flush-dns/on Window 10:ipconfig /flushdns //clear all DNS cachingFinal, if still can not solve question-2, delete cloudflare account and then re-create new other account using other gmail accout to see any help from resetting all cloudflare default setting.Need to wait 1-day or 2-day. to see theERR_QUIC_PROTOCOL_ERROR will be sovledor not...If above answer can not be solved, any suggestion or solution to solve those those bothquestions,Please advise
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26-04-11 10:36:49
test test
Reply:3
Post_ID:829381acpahce;http2,centos
Accept
I run command, /opt/rh/httpd24/root/usr/sbin/httpd -SI got the error:Cannot load modules/mod_http2.so into server: libnghttp2-httpd24.so.14: cannot open shared object file: No such file or directoryhow to solve it ?
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26-04-11 09:56:43
test test
Reply:5
Post_ID:829380apache;centos7
Accept
as title
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26-04-11 09:04:40
test test
Reply:3
Post_ID:829379apache;centos7
Accept
as title
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26-04-11 08:43:52
test test
Reply:4
Post_ID:829378apache;centos7
Accept
I try to upgrade my httpd over 2.4.6 version, so used command, yum install httpd24, after that, httpd is not working becoz some packages is missing and centos7 mirror site is no longer support to users since 2024. how to solve this issue, get back the older version ?
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26-03-24 21:33:09
Wilson Edwards
Reply:2
Post_ID:829376Android:Samsung
Accept
as title
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26-02-05 19:10:37
test test
Reply:5
Post_ID:829375android;jave
Accept
as title
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26-01-25 23:47:14
test test
Reply:3
Post_ID:829374window 10; PWA apps
Accept
as title
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25-07-30 17:55:12
Wilson Edwards
Reply:3
Post_ID:829373curl;wget;ssh
Accept
as title
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25-07-12 21:59:25
Wilson Edwards
Reply:1
Post_ID:829371apache;cloudflare;.htaccess
Accept
as TitlePlease advise
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25-06-28 16:30:14
Wilson Edwards
Reply:3
Post_ID:829370google adsense
as TitlePlease advise
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25-06-28 16:00:17
Wilson Edwards
Reply:0
Post_ID:829369googles adsense
As TitlePlease advise
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25-06-27 11:44:47
Wilson Edwards
Reply:2
Post_ID:829367googleads;drive traffic;adsense
I read some outside third-party company to prompt driving web traffic to my website to increase my google adsense revenue.How are they able to do ?During driving traffice to my website, it will create google adsense impression or not ?Google will treat that impression is invalid ?Please advise
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25-06-27 11:02:02
Wilson Edwards
Reply:0
Post_ID:829368googleads;invalid traffic
I read some outside third-party company to prompt driving web traffic to my website to increase my google adsense revenue.How are they able to do ?During driving traffice to my website, it will create google adsense impression or not ?Google will treat that impression is invalid ?Please advise
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25-05-05 20:08:11
test test
Reply:3
Post_ID:829366googlebot;crawler;cloudflare
Accept
How my website can use cloudflare with"Under Attack Mode" and be able to allow goolge bot, crawler to crawl my website pages at the same time ?Please advise
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25-04-17 16:26:31
Wilson Edwards
Reply:1
Post_ID:829365css;html
Accept
as title Please advise
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25-04-14 19:42:56
Wilson Edwards
Reply:5
Post_ID:829364javascript
Accept
Please adviseThanks
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25-04-14 01:47:39
Wilson Edwards
Reply:2
Post_ID:829363javascript
I have set iframe addEventListener with mousedown event, it works becoz the iframe source is same domain ofthe current page..For example<iframe id=''myiframe" src='https://samedomian.com//test.html'></iframe><script>document.getElementById("myiframe").addEventListener('mousedown, function () {console.log('mousedown event detected');});</script>But when I change iframe src to external domain or cross-domin such as https://example.comit doesn't work, the reason it is blocked by cross-dmain policyAny mothed to solve this issue, how to detect mousedown event on iframe ?
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25-04-14 01:22:51
Wilson Edwards
Reply:2
Post_ID:829362javascript
For example, I have a link in DIV-A tag now I can not click the link in DIV-A because it is covered by DIV-B I want to click the link DIV-A anyway. I tried this example, it work at https://computer28.com/learn/pointer-events.php Any other good example or other method to achieve this ? Please advise
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25-03-28 09:26:04
Wilson Edwards
Reply:5
Post_ID:829361google_drive;php;centos8
I would like to download all my google_drive files by using php program code onmy linux centos 8 system server, how to it ?How to get the google API key to start download for php program ?Since the download file size is very huge, how can I speed up the download the file ifits size is more 100G size ?Please advise
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25-03-03 21:46:28
test test
Reply:4
Post_ID:829359cloudflare;proxy;socket;python;centos 8;apache
I am using cloudflare to protect my website recently,but I have a page which is using python socket to send streaming data to visitor with 5000 portsuch as http://mywbesite.com:5000.Before using clouldflare, visitor can get data from port 5000, now after usingcloudflare, all visitors to my website can not get any data from port 5000.Now I pause cloudflare, the python socket port is working back again..The question is I would to like to keep all cloudflare service such as proxy but python socket port need to work for exception by cloudflare, how can I do that ?My Simple python socket code:from flask import Flask, render_template, request, session,jsonifyfrom flask_sse import ssefrom flask_socketio import SocketIO, emit, join_roomimport platformimport loggingfrom flask_cors import CORSimport socket....if __name__ == "__main__": app.run(host="0.0.0.0",debug=False, port=5000, ssl_context=("mycert")
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25-03-02 21:19:15
test test
Reply:3
Post_ID:829358cloudflare;VPN;proxy;linux;apache
My website is using cloudflare internt traffic protection.I am using php code to monitor all internet ip through chrome browser to my websitefor example, monitoring $_SERVER['HTTP_X_FORWARDED_FOR'] and$_SERVER['REMOTE_ADDR'];I try it in those different computers with different ISP ip, I found the result as followsCase-1 Computer A,$_SERVER['HTTP_X_FORWARDED_FOR']="51.58.202.19";$_SERVER['REMOTE_ADDR']="172.64.0.0"where51.58.202.19 is my Compuer A ISP ip and172.64.0.0 is cloudflare use proxy server to get the webpage for Computer A.Case-2 Computer B,$_SERVER['HTTP_X_FORWARDED_FOR']="61.85.102.11";$_SERVER['REMOTE_ADDR']="61.85.102.11"where61.85.102.11is my Compuer B ISP ip and$_SERVER['HTTP_X_FORWARDED_FOR']=$_SERVER['REMOTE_ADDR']My question is Why in case-1 Cloudflare will use proxy to get webapge for computer A butcloudfare don't use proxu to get wbepage for computer B in which both php ip is same from$_SERVER['HTTP_X_FORWARDED_FOR']=$_SERVER['REMOTE_ADDR'] ?Second question, in what condition ro when Cloudflare use proxy or not use proxy to get webpage for browser visitor?Final question isIf cloudflare use proxy , it mean visitors of Computer A, ISP IP maybe bot or maliciousor suspected IP , Can I release Google Ads on my webste and allow the vistior of Computer A to click the ads ? If the visitors click the ads, it mean the click is excuted from Computer A, ISP IP or from Cloudflare 's proxy IP ?Please advise
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25-03-01 17:56:38
Wilson Edwards
Reply:2
Post_ID:829355google ads;cloudflare
Google Ads can be shown if my website is using cloudflare protection ? and next question isCloudflare can protect my websie from Bot Fraud Click on my website Google Ads.My Cloudflare account is free version Cloudflare.Please advise
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25-02-28 00:17:59
Wilson Edwards
Reply:4
Post_ID:829354google;reCAPTCHA
I just created reCAPCHA fromg google site athttps://www.google.com/recaptcha/admin/createand following his instruction, created my first reCAPCHA html page such as follows<!DOCTYPE html><html lang="en"><head><script async defer src="https://www.google.com/recaptcha/api.js"></script></head><body><div class="g-recaptcha" data-sitekey="6LcIhOQqAAAAAGbMD-QaT-xjh9VYF87D7w6uMw4n"></div></body></html>The page is successful and show google reCAPCHA, but it will ask me to do image testCan I bypass the image test, just tick the I am not a rebot box only ?Please advise
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25-02-26 04:32:58
Ty Yt
Reply:1
Post_ID:829353Linux apache
As tilte
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25-02-25 04:28:14
Wilson Edwards
Reply:2
Post_ID:829352centos;linux
I am using linux command, host, to check the revserse ip , some is not found but if I am using, online tool, that IP is normal, not abusive ipHow to check the IP is abusive ?
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25-02-23 19:30:17
Wilson Edwards
Reply:3
Post_ID:829351香港樓市;Hongkong housing price
Accept
香港樓市, 現在買 Okay ?
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25-02-23 17:06:22
Wilson Edwards
Reply:4
Post_ID:829348google adsense
Accept
my website server is new or small server, recently, just start up my server width Google Adsense ads into my site.DUring, these past 7-day, I get page view not much, but have 50 impression and 20 click dailyI check all my apache log file, those access to my wbesite is not too freqently, butToday Google banned my Google Adsense Account, including this time, Google already banned my site for 5-time.The reason is invalid traffic, I have already followed all rules from GooglePlease advise
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25-02-20 15:15:06
su e
Reply:1
Post_ID:829347excel vba 技術趨勢圖陰陽燭
excel vba 技術趨勢圖陰陽燭
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25-02-18 16:46:59
w kk
Reply:1
Post_ID:829344why we use
as tile
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25-02-18 16:43:41
w kk
Reply:1
Post_ID:829343bitcoin
as title
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25-02-18 16:33:55
w kk
Reply:2
Post_ID:829342as title
Accept
as title
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25-02-15 21:18:40
Wilson Edwards
Reply:7
Post_ID:829340google;adsense;crawler
Accept
I just want disallow Google search indexing engine to access all my files and all my directories except some files such as index.php and music.png and let ads.txt can be crawled by Google Adsense Crawler Please advise
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25-02-12 00:53:08
Norton Alex
Reply:1
Post_ID:829260javascript
my question is same as the title And, I search it on internet, the closer one is this link https://stackoverflow.com/questions/3538021/why-do-we-use-base64 Any good article about this topic Regards
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25-02-12 00:48:17
Wilson Edwards
Reply:2
Post_ID:829290window10/11;apache;centos;php;html
Accept
After clicking some Googe Ads and leave the ads site or delete the tab, your browser may forwards you to other site which may give you message such as "Congrulation,! You Get Prize, Bonus, Coupon.etc" Probably your browser is infected by virus and the Congurlation site is hacker /attacker virus site.. I will think the following methods to solve my problem, Please advise those methods are correct 1- Right away or now, remove the forwars site(Congrulation site) or delete such browser Tab 2- Look at this image: https://computer28.com/image/deletecache.jpg Delete or clean your chrome browser data At Chrome browser, Click Sitting->Privacy Security->Delete Browser Data, it will pop up window, in that window, Click Advanced->Select Time Range(All Time)->Tick all box below Time range such as Browsering History..etc. Click Delete Data button 3-If using Window 10, Turn on Microsoft Defender Virus Protection System, always turn it on https://carleton.ca/its/help-centre/how-to-enable-windows-defender-on-personal-pc/ You are better to install Microsoft Window 11 if u are using WIndow 10 4- Add X-Content-Type-Options: nosniff on header at my apache server
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Attachment:===
Asked by Wilson Edwards
at 2026-04-19 03:28:10
ModifyPoint:500 Replies:11 POST_ID:829410USER_ID:12108
Topic:
apche;centos;httpd and www
Some online http and www checker is passed the test or but some are not
What is eaxct method to test redirect correctly ?
Author: Wilson Edwards replied at 2026-04-19 18:19:50
using curl that is better to test real redirect not through browser..to test your redirect configuration in .htaccess/httpd.conf correct or not
Author: Wilson Edwards replied at 2026-04-19 18:17:21
test redirect on browser that may not be accurate becoz of cache data, u need clear all browser data before test.
if uses this as follows in index.php
header("Strict-Transport-Security: max-age=16070400; includeSubDomains");
HTTP Strict Transport Security (HSTS)isa security policy mechanism that forces web browsers to connect to a website exclusively over HTTPS. It prevents attackers from downgrading secure HTTPS connections to insecure HTTP, protecting against man-in-the-middle attacks and cookie hijacking. HSTS is enabled via a special HTTP response header, which tells browsers to only use HTTPS for a set period.
Accepted Solution
Author: Wilson Edwards replied at 2026-04-19 17:43:02
curl -I https://www.yourdomain.com
curl -I http://www.yourdomain.com
curl -I http://yourdomain.com
curl -I www.yourdomain.com
it shoud output "HTTP/1.1 301 Moved Permanently";
if not work, try to see correctServerName,ServerName www.example.com for www
# 1. The redirection block for www
<VirtualHost www.example:80>
ServerName www.example.com
Redirect permanent / http://example.com/
</VirtualHost>
# 2. Your main site block for non-www
<VirtualHost example.com:80>
ServerName example.com
DocumentRoot /var/www/html
# ... rest of your configuration ...
</VirtualHost>
it also works
# 1. The redirection block for www
<VirtualHost *:80>
ServerName www.example.com
Redirect permanent / http://example.com/
</VirtualHost>
# 2. Your main site block for non-www
<VirtualHost *:80>
ServerName example.com
DocumentRoot /var/www/html
# ... rest of your configuration ...
</VirtualHost>
Reference:
//test index.php and image in gzip or not
curl -I -H "Accept-Encoding: gzip" https://yourdomin.com/image/28_192x192.png
curl -I -H "Accept-Encoding: gzip" https://yourdomin.com/index.php
it should output "gzip"
/* set zlib.output_compression=On in /etc/php.ini if use php zip then enable follows */
if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== false) {
ob_start("ob_gzhandler");} else {ob_start();}
