ubuntu,debian,redhat,fedora,centos
标签类目:httpd

Apache:Disable the HTTP TRACE method

分类:ApacheDescription: How to disable the HTTP TRACE method on recent apache versions.

Most vulnerability scanners (like the popular nessus, but commercial ones also) will complain (normally as a low thread or warning level) about TRACE method being enabled on the web server tested.

Normally you will have this enabled by default, but if you want to test if it is really enabled on your server you just have to telnet on the port your web server is running and request for “TRACE / HTTP/1.0” if you get a positive reply it means TRACE is enabled on your system. The output of a server with TRACE enabled will look like:

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httpd与僵尸进程

分类:Apache在用top命令的时候,出现这个

3021  daemon    9   0     0    0     0 Z    10.4  0.0   0:01 httpd
3046  daemon    9   0     0    0     0 Z     9.7   0.0   0:01 httpd

这大概就是传说中的“僵尸进程”,僵尸进程表现为一般指连接数过多,造成的部分进程死掉的现象,维持几秒钟后会自动消失
,网上这样定义的,“僵尸进程是指的父进程已经退出,而该进程dead之后没有进程接受,就成为僵尸进程.(zombie)进程. 继续阅读 »

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