禁用/開啓Ping IP(防止惡意攻擊)

原創 葱葱葱葱葱呀 2020-06-17 14:16

登錄到Linux以後，使用root權限執行以下命令：

禁用Ping：echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all

開啓Ping：echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all

默認0開啓，1未禁用；

發表評論
所有評論
還沒有人評論，想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章

CentOS7下配置Nginx

背景 最近倒騰服務器的時候，選擇了CentOS7操作系統，在安裝配置Nginx的時候遇到了Permission Denied問題。按照chown和chmod進行配置無果，後來定位到SELinux問題。 SELinux是什麼？ When yo

原創 2024-02-07 13:55:28

常用Linux命令、包括vi 、svn

PS: http://man.linuxde.net/vi /etc/init.d/network restart //=========================================== 更新腳本 cd /www/scr

Ocean_K 2023-08-15 21:24:17

Linux環境下的主流技術部署（基於Docker容器）

搞了臺阿里雲服務器，準備學習下基於Docker容器的各種主流技術部署，那麼讓我們愉快的開始吧！      Docker環境安裝 安裝yum-utils：yum install -y yum-utils device-mapper-pe

原創 2023-02-25 00:27:07

BPF 和 Go: Linux 中的現代內省形式

{"type":"doc","content":[{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null

Marko Kevac 2021-12-20 11:08:55

10 款你不知道的 Linux 環境下的替代工具！

{"type":"doc","content":[{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null

JackTian 2021-12-11 15:33:58

2022年，Rust 將成爲 Linux 內核第二官方語言？

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

闫园园 2021-12-10 14:33:55

Linux 年度報告發布：2021 預計虧損300w，重點關注開源硬件

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

王一鹏 2021-12-09 15:38:57

Android C++系列：Linux線程（一）概念

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"1. 什麼是線程",

轻口味 2021-12-08 11:33:58

在Linux系統發行版（以CentOS7爲例）上部署ElasticSearch集羣並啓動Kibana和Logstash

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

为自己带盐 2021-12-07 10:29:04

2021 專業人士 Linux 系統 TOP 5

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

辛晓亮 2021-12-06 10:13:57

微軟在Edge不斷作死：疑似阻止用戶下載谷歌；Linux 之父怒噴桌面版 Linux；滴滴出行美股退市靴子落地...傳阿里員工福利再升級，或全面試行靈活辦公...

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

闫园园 2021-12-06 10:03:56

Android C++系列：Linux信號（三）

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"可重入函數","at

轻口味 2021-12-03 18:19:01

curl 作者怒噴蘋果，我不當工具人； 國美通報批評摸魚員工，網友急了；Windows 11 恢復藍屏死機，熟悉的味道回來了

{"type":"doc","content":[{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null

辛晓亮 2021-11-21 11:03:51

“殺死”CentOS ，替代品 Rocky Linux 8.5 發佈

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

闫园园 2021-11-20 20:43:53

“MSL”出爐？Ubuntu 發佈 Multipass 對標 WSL

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

辛晓亮 2021-11-12 10:08:56