cloudflare 502

Recently again in the toss, often visit my blog friends may have appeared on the page 502 error hints, that is tossing CloudFlare CDN unsuccessful tips. In this first thanks to the jar, in his dedication and truth, last night finally successfully use the CloudFlare CDN. Before setting up the CloudFlare CDN

constitutes depending on the load value can be based on the computer and run on the software, but generally over 10-20 of the average load may mean that the server is overloaded with different high loads. This is best for your host or this system administrator to check if you are unsure. The origin has a firewall (or rate limiter) that blocks our requestThis is the most common cause of intermittent 522 errors. The key thing to check out initially is- Make sure you do not have the IP

DemandFirst make sure you have an own domain name, then log in to CloudFlare and add your domain name. Follow the instructions and use the default values given by it. You will have cloudflare to host your domain, so you need to adjust your registration authority settings. If you want to use a subdomain, add a ' a ' record to it. Currently, any IP address is available.Ddclient is a Perl client that updates d

ConceptUsing the BPF (Berkeley Packet filter) toolset combined with the Iptables XT_BPF module enables high-performance packet filtering to address large-scale DDoS attacks. BPF Tools contains a simple set of Python scripts that are used to parse the Pcap file, and others are primarily used to generate BPF bytecode.First, download and install BpftoolsDownload the zip file in Https://github.com/cloudflare/bpftools, or you can download it via git, and t

Investigate how CVE-2015-5477 CloudFlare Virtual DNS protects its users Last week, ISC released a patch to fix a remote vulnerability in the BIND9 DNS server. This vulnerability causes the server to crash when processing a certain data packet.The announcement indicates that an error occurs when the server processes a TKEY-type query. This error causes assertion fail, which causes the server to crash. Because assertion occurs in the query parsing proc

CloudFlare is the world-famous CDN service provider, its free package is enough to meet the average user. Optimize the load speed of the website, cache the static resources, distribute the content near the local area to protect against the DDoS attack. In short, very good, very honest. But in the celestial many nodes are sealed, its own DNS was sealed, and Google and FB, the same as the end of the people (in fact, we are). When I looked at CloudFlare

original each paragraph similar to the location ~ \.php$ {Code will need to fastcgi_pass this line according to the example of the transformation. the. conf configuration file in step 1, the children of each main thread, is set 2~n according to the memory situation, and it is said that the more the better, the more memory is used. After the adjustment of this program, please note that your original so-called service PHP-FPM and 502 monitoring scrip

You can try to clear the browser cache access to your FTP to see if you can log in Successfully resolved 502 Bad Gateway error Log on Today, show 502 bad Gateway,nginx the most annoying place is often this error, because I do not intend to spend too much time on the technology, so the general is encountered related problems, through the search engine solution can not go into the deep. Don't say much nonse

Steam Market Error Code 502 Solution If you have 502 errors in the steam purchase game, take a look at this workaround. Do not encounter, you can also collect, forward to your friends, in case of a rainy. First, a simple and brutal solution: Use Notepad to open the Hosts file for Windows, Address: "C:\windows\system32\drivers\etc" Can not find Baidu. Then add the correct smart2pay URL domain name--

You can try to clear the browser cache and access your FTP to see if you can log on Cause A server (not necessarily a Web server) serves as a gateway or proxy to meet customer requirements (such as a Web browser or our CheckUpDown robot) to access the requested URL. This server receives an invalid response from the upstream server to fulfill its requirements.Fixed 502 errorsGenerally, this problem is caused by poor communication between IP addresses o

For a one-time troubleshooting page 502, page 502 troubleshooting First, Scene: System Deepin 15;php 5.5.33;nginx 1.9.9 Second, the situation: simple page output normal (such as phpinfo ();), run any of the company's projects, are 502 Third, the investigation 1, query various logs, including Nginx.error.log, Php_error.log, Php-fpm.error.log, find PHP-FPM error a

A 502 error occurs when you use phpcurl to request an https url. PHP version: 5.6.7Nginx version: 1.8.0 code: {code ...} php-fpm log: {code ...} A 502 error occurs when you use php curl to request an https url. PHP version: 5.6.7Nginx version: 1.8.0 The Code is as follows: $ch = curl_init();curl_setopt($ch, CURLOPT_URL, 'https://www.baidu.com');curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);curl_setopt($c

In the Nginx reverse proxy mode, the page loading is incomplete or the 502 bad gateway appears directly. There are many cases of 502 bad Gateway, most of which are related to the setting of the Nginx timeout problem. The following is a discussion of a situation that is relatively rare but has to be noted. Presence Environment Nginx work in reverse proxy mode, listening to non-80 ports (this is important

The URL with php Curl request HTTPS 502 error, ask to help resolve. PHP Version: 5.6.7Nginx Version: 1.8.0 The code is as follows: $ch = curl_init();curl_setopt($ch, CURLOPT_URL, 'https://www.baidu.com');curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);curl_setopt($ch, CURLOPT_TIMEOUT, 10);curl_exec($ch); PHP-FPM log: [28-Jun-2015 04:04:20] NOTICE: [pool www

For troubleshooting on page 502, page 502 I. Scenario: Deepin 15; php 5.5.33; nginx 1.9.9 Ii. Status: the simple page output is normal (for example, phpinfo ();), running any project of the company, 502 Iii. troubleshooting 1. query various logs, including nginx. error. log, php_error.log, php-fpm.error.log, find the php-fpm error as follows [22-Mar-2016 11:06:32

Nginx+php appear 502 Bad gateway, generally this is not nginx problem, but because of fastcgi or PHP problems caused, common have the following several.1. PHP.ini Memory_limit is too small (this must be noted if there are individual PHP program processes that require significant memory usage)2. php-fpm.conf in the Max_children or max_requests set unreasonable (set too small will because there is not enough CGI process requests, set up the General Asse

Recently, the phenomenon of server downtime more frequent, temporary work, G to hang up, 502 Bad Gateway Nginx, I can not help but remind me before the 504 gateway time-out, the two should be a bit of contact, we must find out. The implication of Nginx 504 Gateway time-out is that the requested gateway is not requested, simply that there is no request to the php-cgi that can be executed. To solve these two problems is a need for comprehensive thinkin

Some websites that run on Nginx sometimes appear "502 Bad Gateway" errors, even when they occur frequently. The following is a small compilation of some of the Nginx 502 error troubleshooting methods, for reference:The reason for Nginx 502 error is more because of a problem with the backend server in proxy mode. These errors are generally not the problem of nginx

Some websites running on Nginx sometimes appear as "502 Bad Gateway" errors, some times even frequently. The following is a small compilation of some of the Nginx 502 error troubleshooting Methods for reference: The reason for the Nginx 502 error is more due to a problem with the backend server in Agent mode. These errors are generally not nginx itself problem,

Cause 502 Bad Gateway Servers (which can be not Web servers) are gateways or proxies that meet customer requirements (such as Web browsers or our Checkupdown bots) to access the requested URL. 　　This server received an invalid response from an upstream server to fulfill its requirements. Meaning: This usually does not mean that the upstream server has been shut down (no response gateway/proxy), but that the upstream server and gateway/pr