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Improper security measures: Millions of Adobe passwords stolen

Researchers revealed that Adobe had confirmed that millions of passwords had been stolen in the October data breach, which were initially not saved as the best example in the industry. The password encryption method is easily cracked. In a statement issued by CSO, Adobe confirmed some details disclosed by Ars Technica last Friday. Adobe said that the password stolen in January was not encrypted by hash, but by common encryption, this means that Adobe

The four policies effectively protect the security of FTP server passwords

server, but its password is valid on the current day and will automatically expire on the next day. In this case, you only need to change the password when the customer or supplier needs to use the FTP server. Instead, you do not need to create a user each time you use it. After you use it, delete it. At the same time, it can also avoid security risks to the server because the temporary account is not canceled in time, because the password will automatically fail. Most FTP servers, such as the

Ten military rules to build strong passwords

We are always dealing with passwords when using computers. If the password you set is guessed or decrypted by others, important information and personal privacy will be leaked. Therefore, setting a secure password is a major event related to everyone. Next we will introduce the ten military rules that must be followed in the password setting process. I. Try to be as long as possible Generally, the password must be at least six characters in length. It

PHP generate a summary of random passwords, php generate a summary _ PHP Tutorial

PHP generates a summary of random passwords, and php generates a summary. PHP generates a summary of random passwords. php generates a summary of the methods used to develop applications, especially website Programs. you often need to generate random passwords, such as user registration to generate random passwords, ge

Using Cracklib to build secure UNIX passwords

As the most popular server operating system on the Internet, UNIX security has attracted much attention. The security of UNIXD is mainly realized by password, therefore, the UNIX password encryption algorithm has improved several times, now commonly used des algorithm for password file 25 encryption, and the result of each DES encryption, to use 2 of the 56 times to find and match to do a traversal, to crack such a password, The amount of work is huge, so theoretically this password is quite saf

Python generates random passwords

Import randomdef keygen (num): seed = "[Email protected]#$%^*jklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz" Salt_ list = [] for i in range (num): Salt_list.append (Random.choice (Seed)) #从seed中随机取出, added to the list of salt = ". Join (salt_l IST) Print Saltkeygen (8)Execution effect650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/57/16/wKiom1SRAHfD7ehPAAEFOEeG6p8133.jpg "title=" 1.png " alt= "Wkiom1srahfd7ehpaaefoeeg6p8133.jpg"/>This article is from the "Server" blog, so be sure to keep

Linux installation denyhosts prevent passwords from being hacked

DenyHostsDenyHosts is a program written in the Python language that parses the sshd log file (/var/log/secure) and logs the IP to the/etc/hosts.deny file when a duplicate attack is found, thus achieving the function of the auto-screen IP.Installation and Configuration wget http://soft.vpser.net/security/denyhosts/DenyHosts-2.6.tar.gz tar-zxvf denyhosts-2.6.tar.gz CD DenyHosts-2.6 python setup.py Install (note that Python version cannot be greater than 3.0) Cp/usr/share/denyhos

Java regular Check, passwords must consist of letters and numbers

character.The test cases are as follows:public class Test {public static void main (string[] args) throws Exception {String regex = "^ (?! [0-9]+$) (?! [a-za-z]+$] [0-9a-za-z]{8,16}$]; String value = "AAA"; Length Not enough System.out.println (Value.matches (regex)); value = "1111AAAA1111AAAAA"; Too long System.out.println (value.matches (regex)); value = "111111111"; Pure Digital System.out.println (value.matches (regex)); value = "AAAAAAAAA"; Pure Letter System.out.println (value.matches (

Java regular Check, passwords must consist of letters and numbers

character.The test cases are as follows:public class Test {public static void main (string[] args) throws Exception {String regex = "^ (?! [0-9]+$) (?! [a-za-z]+$] [0-9a-za-z]{8,16}$]; String value = "AAA"; Length Not enough System.out.println (Value.matches (regex)); value = "1111AAAA1111AAAAA"; Too long System.out.println (value.matches (regex)); value = "111111111"; Pure Digital System.out.println (value.matches (regex)); value = "AAAAAAAAA"; Pure Letter System.out.println (value.matches (

Java regular Check, passwords must consist of letters and numbers

character.The test cases are as follows:public class Test {public static void main (string[] args) throws Exception {String regex = "^ (?! [0-9]+$) (?! [a-za-z]+$] [0-9a-za-z]{8,16}$]; String value = "AAA"; Length Not enough System.out.println (Value.matches (regex)); value = "1111AAAA1111AAAAA"; Too long System.out.println (value.matches (regex)); value = "111111111"; Pure Digital System.out.println (value.matches (regex)); value = "AAAAAAAAA"; Pure Letter System.out.println (value.matches (

Java regular Check, passwords must consist of letters and numbers

character.The test cases are as follows:public class Test {public static void main (string[] args) throws Exception {String regex = "^ (?! [0-9]+$) (?! [a-za-z]+$] [0-9a-za-z]{8,16}$]; String value = "AAA"; Length Not enough System.out.println (Value.matches (regex)); value = "1111AAAA1111AAAAA"; Too long System.out.println (value.matches (regex)); value = "111111111"; Pure Digital System.out.println (value.matches (regex)); value = "AAAAAAAAA"; Pure Letter System.out.println (value.matches (

Shell scripts automatically enter passwords via expect script (using expect)

requirements relatively high, such as curly braces must have a space ah and so on, so if there are errors, we can carefully observe whether the grammatical format is wrong. two. Configure the SSH trust on the remote serverthis I do not try, there are many online tutorials, feel long-term words should be more convenient than writing expect, but I think the script is best not always go to the operation of other places, so here I use expect myself to write (of course, also want to practice writing

PowerShell uses 7-zip to extract zip files with passwords

#路径$7zip_path = "C:\Program files\7-zip"#参数列表$ARG = "X-p$zip_password_api $zipFile-o" + $foldername + "-y"#7-zip Command$7zip = $7zip_path + "\7z.exe"#解压ZIP文件 $7zip $Arg. Split ()Description$ARG = "X-p$password_api $zipFile-o" + $foldername + "-y"X is decompression (a compression);-P compression password (no space after-p);$zipFile is the compressed file path;-O Extracted folder (no space after-O);-Y does not prompt for default execution (overwrite if extract file exists)Split () in $Arg. Split

Recovering Cisco Access Switch passwords

-sa4 drwx 3776 Mar 1993 01:23:24 HTML66-rwx 1970 00:01:19 Env_vars68-rwx 1296 Mar 1993 06:55:51 Config.text 1728000 Bytes Total (456704 bytes free)6, switch>rename flash:config.text flash:config.old 7. switch>BootAfter renaming the configuration file, type the boot boot device under Switch>, and when the system starts to set, press N and when the setting is complete, the following message appears:Continue with the configuration dialog? [Yes/no]:Type N8. After the switch> prompt appears, type en

Tips on how to use Chinese characters to make passwords

of passwords doubles. Later, the Chinese character password will be pasted again to verify the password computer input bar after the "OK" can be. Although the Chinese character as a password more reliable and easy to remember, but in the use of Chinese characters as a password, but also pay attention to the following: Content from the computer hardware knowledge network 1. Do not use commonly used Chinese as a password, such as their own name, city

Preventing violence from cracking Windows 8 system passwords

The lower-version Windows system uses character passwords, which, however complex, are theoretically possible to be violently cracked. and WIN8 system in order to prevent viruses, trojan program intrusion, using a very special picture password login function, the login method does not contain regular character content, virus, trojan program in the crack will not be able to do, which obviously will greatly improve the system security capabilities. Whe

Python exercises-generating random passwords by intersection

# 1, write a password-generating program,# Number of inputs, the number of times to generate the number of data,# Require password must contain uppercase letters, lowercase letters and numbers, 8 bits in length, cannot be duplicated1 Importstring, Random2Num=input ('Please enter a number'). Strip ()3pwds=set () #定义一个空集合4 ifnum.isdigit (): #判断是否为数字5I=06 whileLen (PWDs) int (num):7Passwd=set (Random.sample (string.ascii_letters+string.digits,8))8set1=set (string.ascii_uppercase). Intersection

"Python Ops script" generates random passwords

需求:生成指定长度的随机密码,其中密码中应该包含数字和英文字母 实现: #!/usr/bin/env python#-*-coding=utf-8-*-#Using GPL v2.7#Author: [email protected]ImportRandom, String#importing random and string modules defGenpassword (length):#Number of random numbersNumofnum = Random.randint (1,length-1) Numofletter= Length-Numofnum#Select Numofnum numbersSlcnum = [Random.choice (string.digits) forIinchrange (numofnum)]#Check Numofletter LettersSlcletter = [Random.choice (string.ascii_letters) forIinchrange (numofletter)]#scrambled Combin

Tokencache and LRU algorithms for retrieving passwords using guava

has been accessed recently, the chances of future access are higher."Implementation diagramThe most common implementation is to use a linked list to save the cached data, the detailed algorithm is implemented as follows:1. Inserting new data into the list head;2. Whenever the cache hits (that is, the cached data is accessed), the data is moved to the list header;3. When the list is full, discard the data at the end of the list.AnalysisHit rateWhen there is hot data, LRU efficiency is very good,

Cookies Remember passwords

The Internet browser will have a history, log on to a website will remember the password, these historical records and passwords are actually left in the computer cookie, if you change a computer, there will be no previous records. This is different from the session, the record of the session is left on the server side, changed the computer, log in or can see the previous record. Client Record: Cookie Server records: Session Small example: remember

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