Get the App
  • HillStone-getting started configuration

    HillStone-getting started configuration

    Hillstone main firewall products, specific introduction can see Baidu encyclopedia: hillstone Baidu encyclopedia introduction 1, quickly build local area network default management port ip address is 192.168.1.1 login browser http://192.168.1.

    Shulou · 2022-06-01 04:21
  • Network address Translation (NAT)

    Network address Translation (NAT)

    Network address Translation (NAT) NAT belongs to access wide area Network (WAN) technology, which translates private (reserved) addresses into public (legal) IP addresses. It is widely used in various types of Internet access methods and various types of networks. The reason is simple, NA.

    Shulou · 2022-06-01 04:20
  • To solve the problem that the internal network can not ping the external network of PIX in the ADSL environment.

    To solve the problem that the internal network can not ping the external network of PIX in the ADSL environment.

    This problem has perplexed me for a long time and baffled several so-called CCIE masters. Today, I finally figured out a way to solve it and solved it. Problem description: 1. Put the PIX in a fixed IP environment (the external network is a fixed IP), and set the correct ACL to allow ICMP to release. In this case, the internal network can

    Shulou · 2022-06-01 04:20
  • Zabbix-trigger syntax

    Zabbix-trigger syntax

    Small Q: mountain journey, water journey, the body to Yuguan that bank line, late at night thousands of tent lights. -Nalan Rong Ruo "long Acacia" has been learning zabbix recently, summing up and summarizing the configuration of trigger syntax parameters, and real-time configuration, hoping to help you. If you have any questions, please leave a message to solve and discuss. 1 、

    Shulou · 2022-06-01 04:20
  • Talking about Certificate & the composition and three Common elements of mdash;— Certificate

    Talking about Certificate & the composition and three Common elements of mdash;— Certificate

    A certificate is usually a small file of several kilograms, using binary or certain encoded text (such as Base64) to store public and private keys and corresponding information. So what information does the certificate contain? To put it simply, there is this information:? Version number certificate version? Ser

    Shulou · 2022-06-01 04:20
  • Common Application of awk in Log Statistics

    Common Application of awk in Log Statistics

    First of all, awk is a language, and secondly, compared with other languages, the advantage of awk is in text processing, numerical calculation and so on. In our daily operation and maintenance work, awk also has a very important scene to cooperate with the use of sed and grep. Precisely because of these, awk is an operation and maintenance project.

    Shulou · 2022-06-01 04:20
  • ASA 5500 Seri

    ASA 5500 Seri

    ASA5500 series advantages: content security, independent IPS hardware module. Focus on the market below gigabit. Cisco ASA 5505 Cisco ASA 5510 Cisco ASA 5520 Cisco ASA 5540 Cis

    Shulou · 2022-06-01 04:20
  • A summary of the usage of regularities and sed.

    A summary of the usage of regularities and sed.

    A summary of the usage of regularities and sed. Generally use egrepegrep [option] "pattern" FILE-v: display content other than matching results-I: ignore case-o: show only matching content (more commonly used)--

    Shulou · 2022-06-01 04:20
  • Fiddler tutorial

    Fiddler tutorial

    A basic introduction to Fiddler the official website of mFiddler provides a large number of help documents and video tutorials, which are the best materials for learning Fiddler. Fiddler is one of the most powerful and best-used Web debugging tools, recording the htt of all clients and servers

    Shulou · 2022-06-01 04:20
  • Reaver of practical wifi password cracking tools and defense skills

    Reaver of practical wifi password cracking tools and defense skills

    At present, the only wifi cracking strategies I have come into contact with are PIN guessing and grasping handshake package brute force cracking. these two online tutorials are quite a lot, but I still hope to sort it out, by the way, how to defend. Some people on a treasure even use these methods to make money. I don't quite understand why most of them

    Shulou · 2022-06-01 04:20
  • A preliminary study of Advanced nodeJS

    A preliminary study of Advanced nodeJS

    Preface in the essay "preliminary nodeJS", we have a general understanding of node, and in the end, through an example, we know how to quickly start a simple server. Today, I read the essay again and found that it has a little more theoretical knowledge and is suitable for entry-level no.

    Shulou · 2022-06-01 04:20
  • S5560 fan wind direction configuration

    S5560 fan wind direction configuration

    System-viewfan prefer-direction slot 1 port-to-power / * defaults to air intake on the power supply side and air outlet on the port side, so that the equipment will generate an alarm, which needs to be modified to air intake on the port side and air outlet on the power side * /

    Shulou · 2022-06-01 04:20
  • Exchange cookies

    Exchange cookies

    Look at the cookie of the URL from an IE browser, find it and exchange cookie with a person. Delete the cookie in the IE browser, and then import someone else's cookie from the browser. Remember to click "automatic login within ten days" when logging in to your own account. From

    Shulou · 2022-06-01 04:20
  • Feita firewall is configured with 2 network link shunts

    Feita firewall is configured with 2 network link shunts

    Feita configuration 2 network link shunt background description: the original dedicated line bandwidth of the office network is not enough, we need to add a ppoe optical fiber dial-up to increase network speed and improve network experience. Link assignment: PPOE optical fiber: exit of non-corporate intranet business traffic, that is, access to these websites of Baidu, exit dedicated line: visit

    Shulou · 2022-06-01 04:20
  • Apache security hardening-fixing SSL/TLS weak password vulnerabilities (medium risk) and disabling TRACE/TRACK methods (high risk)

    Apache security hardening-fixing SSL/TLS weak password vulnerabilities (medium risk) and disabling TRACE/TRACK methods (high risk)

    First, take a look at the screenshot of the loophole scanned. Below is the detailed operation solution (the following configuration has been modified several times before the vulnerability is really fixed): security configuration 1: [root@liulingli html] # find /-name .htaccess

    Shulou · 2022-06-01 04:20
  • TELNET and default routing experiment

    TELNET and default routing experiment

    1: TELNET and default routing experiment take the AR5 router configuration as an example: (Huawei devices sometimes configure local-user with privilege permission of 1 before setting the super password. This depends on the version) how to set the privileged password for Huawei switch?

    Shulou · 2022-06-01 04:19
  • ASA8.4 configures NAT to test the address of the intranet itself

    ASA8.4 configures NAT to test the address of the intranet itself

    ASA8.4 configures NAT to test http://www.evernote.com/shard/s303/sh/80144744-86ac-4b96-bd9c-c2b298e65287/f363e for private network addresses.

    Shulou · 2022-06-01 04:19
  • Basic notes of computer network

    Basic notes of computer network

    Overview of computer Network Local area Network: small coverage for self-maintenance equipment connection of 100 meters, bandwidth of 100m and 1000m. Wan internet ISP has its own computer room to provide Internet access to netizens, user access web page packets, frame DNS domain name

    Shulou · 2022-06-01 04:19
  • The usage of shell array

    The usage of shell array

    Variable: memory space for storing a single element: array (multiple contiguous memory spaces): continuous memory space for multiple elements: array name: index: numbering starts at 0 and belongs to a numeric index; note: indexes can also support the use of custom formats, not just numeric formats: bash arrays.

    Shulou · 2022-06-01 04:19
  • Compute IP's reported checksum

    Compute IP's reported checksum

    The checksum algorithms of IP/ICMP/IGMP/TCP/UDP and other protocols are the same, the algorithm is as follows: when sending data, in order to calculate the checksum reported by IP. You should follow the following steps: (1) set the header of the IP Datagram to 0, including the checksum field. (2) put the first part

    Shulou · 2022-06-01 04:19