How does the server achieve security defense?

How to do server defense? Server security is very important. For operation and maintenance managers, doing a good job in server security defense can save operation and maintenance personnel a lot of trouble. So what should we do?

七秒 2021-10-25 09:26:40 0  3  1107

php - Is it possible to bypass account permission restrictions (only VIP users will display all pictures) and crawl to all pictures? iis server

1. Is it possible to bypass the restrictions on account permissions (only VIP users will display all pictures) and crawl to all pictures? iis server

世界只因有你 2017-05-17 09:55:42 0  2  664

PhpStudy20180211 failed to install on win2003 server

The installation of PhpStudy20180211 on the win2003 server failed. The performance is that there is no site PhpStudy_2018 in IIS and phpmyadmin cannot be used. After the version is switched to php5.4.45-nts+IIS, the site established by IIS cannot access the php site. Does PhpStudy20180211 not suppor...

Pd 2018-04-29 08:19:03 0  1  1022

apache server is attacked

Hello everyone, I am a newbie in PHP and have basically zero knowledge about server security. I currently have a website online. But every day, apache hangs for no apparent reason. After checking the error.log of apache, I found that every time before the service hung up, a large number of people in...

人不三俗枉少年 2019-05-01 12:39:20 0  1  1153

Can lamp and nextcloud coexist?

I installed the lamp website building environment on my vps cloud server. Now I want to install another nextcloud network disk. Please tell me after installing the nextcloud network disk. Can the lamp website building environment still be used? If so, how to install nextcloud network disk? Please gi...

李敬民 2020-04-27 11:19:34 0  0  735

Can lamp and nextcloud coexist?

I installed the lamp website building environment on my vps cloud server. Now I want to install another nextcloud network disk. Please tell me after installing the nextcloud network disk. Can the lamp website building environment still be used? If so, how to install nextcloud network disk? Please gi...

李敬民 2020-04-27 11:22:48 0  0  857

What is the difference between phpstudy and phpstudyforiis

Hi everyone, I'm a newbie. Use Alibaba Cloud server windows 2003 server system and iis 7. Installed asp website. Several php websites are now installed. I often cannot connect to the database, but the asp website can connect. Please tell me how to configure the php environment. Should I use phpstudy...

phpcn_u57654 2017-11-09 23:41:49 0  1  1293

Please tell me how to change the login password of Xiaoniao Cloud Linux cloud server.

How to change the login password of Xiaoniao Cloud Linux cloud server? On this basis, is there any simple way to improve the security factor of cloud servers?

想无 2021-11-04 10:49:54 0  5  1092

node.js - AWS configuration nginx reverse proxy does not take effect

I just bought an Amazon server. After installing nginx, I want to access the port specified by the server through the domain name to access different services. I set the security rules on the Amazon console, modify the nginx.conf file, and set up a reverse proxy: {Code. ..} Mainly because include se...

世界只因有你 2017-05-16 13:36:48 0  2  585

The local installation is normal and the upload server installation is blank.

The local installation is normal and the upload server installation is blank. When viewing the source code, nothing is found. What is the reason? The local installation using phpstudy php5.2 is completely normal. The server is also specially replaced with the same software and php version as the loc...

阿腾 ¹⁵⁷⁰⁸⁶⁸⁴¹⁴⁹ 2019-07-24 18:55:56 0  2  1016

Server - How to safely patch Centos?

Security vendors have scanned many system vulnerabilities, and the system security is classified as high risk. I would like to ask you how to install patches for the Centos system without affecting the normal business of existing websites and databases. Are there any good tools?

为情所困 2017-05-16 13:18:30 0  1  964

javascript - The server has installed forever but reports command not found

The server has installed forever but reports command not found. Why? npm -g install forever has been installed globally, why can’t it be used? {code...}

高洛峰 2017-05-16 13:27:05 0  1  886

mongodb - mongo deployed on Alibaba Cloud's ECS server cannot be accessed from the external network

I bought an Alibaba Cloud ecs server, configured security group rules (open 80, 8080, and Mongo's default port 27017), and then started the node and mongodb services. The node service can be accessed normally from the external network, but using mongoose/ Robomongo or directly access the 27017 port ...

代言 2017-06-16 09:19:13 0  1  1588

phpstudy+iis+ueditor super long text error

Use phpstudy+iis to set up php+asp dual environment, php integrates ueditor, and submits the form to mysql. When using phpstudy+apache mode and phpstudy+NGINX mode, there is no problem in submitting long text, but when using phpstudy+iis, a 500 error occurs. See It seems that the problem is not with...

SAdmin 2018-09-11 16:13:10 0  1  1254

ssh - Apache: How to limit the HOSTs that mod_proxy_connect can proxy to (not visitors, but target servers)?

There is a machine that only opens port 80 to the outside world, and you can use the mod_proxy_connect proxy to access its port 22; but in this case it becomes the ssh service proxy of any server, which is very unsafe. Is there a way to limit it? I can't seem to find it in the official documentation...

曾经蜡笔没有小新 2017-05-16 17:05:01 0  1  653

javascript - Ask about CORS security

During the interview, I was asked a question about CORS security, but I couldn’t answer it. I would like to ask everyone for advice. CORS sets Access-Control-Allow-Origin on the server side. If it is not set to *, isn't it true that only the specified domain can initiate a request? Otherwise, it wil...

给我你的怀抱 2017-05-19 10:42:05 0  2  889

Client IPv6 on PHP but IPv4 on node server - need them to be the same

I'm having issues related to security and authentication. I have a software that checks to confirm the user, and I need to make sure it's the same client sending the PHP request and the node server request. However, on the node server, the client's IP shows up as IPv4, but on PHP it shows up as IPv6...

P粉239164234 2023-09-04 19:35:35 0  1  638

php - Baidu and Google crawlers return 403 when accessing the laravel5.4 framework

CSRF verification has been turned off, and get and post access are allowed. The website can be accessed normally. The server does not use any security software. The firewall does not restrict any IP addresses. Has anyone encountered related problems?

给我你的怀抱 2017-06-06 09:53:45 0  1  706

How to check query depth and complexity in Laravel Lighthouse

Before deploying lighthouse to production server, I check security (https://www.howtographql.com/advanced/4-security/). So I decided to check query depth and query complexity. In the lighthouse documentation they mention config/lighthouse.php. /*|-------------------------------------------------- --...

P粉419164700 2023-08-28 21:26:41 0  1  637