Area and interface 1. The interface physical interface corresponds to the interface on the panel one by one. Eth0 port is the management port. According to the different forwarding characteristics of the network port, it can be divided into four interface types: routing port, transparent interface, virtual network line and bypass mirror. the first three can set WAN attribute or non-WAN attribute. 1.
# include # include #
Experimental environment: experimental purpose: (VLAN interworking between two companies) 1. Configure a layer 3 switch in Company B and set FA0/1 FA0/2 FA0/3 as the TRUNK port. 2. In the layer 3 switch of Company B, create VTP and VLAN20
Open the list of hardware array cards supported by the cache system (not limited to the following models) currently can confirm the perfect support: HP/ HP Smart Array series array cards (such as P400/P410/P800, etc.) Dell/ Dell PowerEdge PER
Remember the history and realize the dream of China. In the Linux operating system, it is also very important to query the commands operated by the administrator, and mastering the history of invoking commands can improve the efficiency of the administrator in managing the system. The number of command caches for history is determined by a command cache in / etc/profile
Introduction Kubernetes (hereinafter referred to as K8s) is an orchestration engine supported by the Rancher platform. Rancher K8s has the characteristics of flexible deployment and easy to use, and Rancher is basically a synchronous update to support new versions and new components of K8s.
The editor will share with you how to check the ssl certificate of the website. I hope you will gain a lot after reading this article. Let's discuss the methods together. With the development of the times, many websites begin to install SSL certificates. The main purpose of installing SSL certificates for websites is to
Check OSSIM system help in the OSSIM system all the help files are in / usr/share/doc, if you are not used to viewing in the command, here I recommend a software package dwww, which can access the help file through the browser. Perform the following for the initial installation of the system
Firewall: Internet behavior management, security audit system, data audit system, operation and maintenance audit system, anti-virus wall, vulnerability scanning system * defense system, * * detection system, anti-denial of service system, gateway, SOC security management system.
I believe everyone is familiar with remote connection management. Remote management does bring a lot of convenience to our life, work and study. However, what is the principle of remote connection? the following is an introduction to NAT and the principle of remote connection. First of all, we all understand
I am a novice. Students majoring in information security have been learning the theory of security, mainly in the construction of websites, but since I came into contact with web***, I found that the website I built before is full of loopholes, so I also fell in love with the study of *.
Establish a point-to-point IPSec tunnel between the headquarters gateway and the branch gateway to establish an IPSec that can access each other between the headquarters gateway and the branch gateway. The IP address of the headquarters gateway is fixed, and the headquarters accesses the Internet after NAT translation. Branch offices get access to ADSL
1. Experimental topology 2, basic configuration R1 configure interface Loopback0ip address 1.1.1.1 255.255.255.0interface Serial0/0ip address 13.
After https://ctf.bugku.com/challenges#love downloads the file, take a look at the random input 123 to see the idea of solving the problem: the very common program flow is to compare the input string with the string in the program to output the result, at this time I
One router is connected to two switches and one hub, two switches are connected to three PC, and four PC are connected to the hub: the network shown above, it is not difficult to calculate the three broadcast domains, because router has three ports directly connected to two switches and a hub. However, rush
In the era of pit whine, port 22 is all pit whine. The picture is as follows: email alarm: I won't play with you. Seal directly in the firewall, open the server firewall affects the performance, let you test also affect, anyway, can not enter. Only those who are open can enter.
The maximum message segment length (MSS) represents the length of the most big data that the TCP travels to the other end. When a connection is established, both sides of the connection notify their respective MSS. We've met. MSS is 1024. As a result, IP datagrams are usually 40 bytes long: 20-byte TCP header and
1. Right-click the computer, click manage, click local users and groups, and set the user name and password. two。 Right-click the network, click Properties, click Adapter Settings, and set the IP address 3. Right-click the computer, click Properties, click remote Settings, click remote, click remote Assistance and allow only to run using the network level
FruityWifi is a wireless security audit inspired by wifi pineapple. This program can be installed on Debian operating systems, in Debian, Kali Linux, Kali Linux ARM
Many people now encounter that companies cannot open https-like web pages because Microsoft KB2661254 patch requires a minimum encryption level of 1024 bits. In the past, many web servers were encrypted with 512 bits. Most people deal with this method by using KB2661354.
