ubuntu hardening

Tags: another server def ... insert benefits Complete Select Ignore INSERT [Low_priority | DELAYED |High_priority] [IGNORE] [Into] tbl_name [(Col_name,...)] VALUES ({expr|DEFAULT},...),(...),...[on DUPLICATEKEYUPDATE col_name=expr, ...] OR: INSERT [low_priority| DELAYED |High_priority] [IGNORE] [into] tbl_name SET col_name={expr |DEFAULT}, ...[on DUPLICATEKEYUPDATE col_name=expr, ...] OR: INSERT [low_priority|High_priority] [IGNORE] [Into] tbl_name [(Col_name,...)] SELECT...[on DUPLI

a method to offset the address as an argument.Next, verify the effect, clear the list of breakpoints, and then use the sbr command to set breakpoints. (lldb) br delete About to delete all breakpoints, do you want to do that?: [Y/n] y All breakpoints removed. (1 breakpoint) (lldb) sbr 0x00000001000093dd Breakpoint 2: where = Calculator`___lldb_unnamed_function161$$Calculator, address = 0x000000010cb033dd (lldb) By clicking on the "About Calculator" option on the menu, the method has been succes

To_char (Sal, ' $9,999 ') from EMP;12. Displays the string format of October 1, 1949, and the result is 1949 Year -End 1stSelect To_char (to_date (' 1949-10-1 ', ' yyyy-mm-dd '), ' fmyyyy ' year "MM", "DD" Day "') from dual;October 1, 194913. Display the data according to the following requirements:sal=800 Show Low Wagessal=3000 Normal Wagessal=5000 High WagesSelect Sal,decode (sal,800, ' low wages ', 3000, ' normal wages ', 5000, ' high wages ') from EMP;14. Displays the following fields and s

classRandomaccessfiledemo { One Public Static voidMain (string[] args)throwsIOException { A //write (); - read (); - } the - Private Static voidRead ()throwsIOException { - //Create a random-access stream object -Randomaccessfile RAF =NewRandomaccessfile ("Raf.txt", "RW"); + - inti =raf.readint (); + System.out.println (i); A //The file pointer can be read by the Getfilepointer method and set through the Seek method. atSYSTEM.OUT.PRINTLN ("

and no permission-related information is logged. When Admin.system.users is not available to a user, even if the-auth parameter is added when MongoDB starts, if no user is added to the admin database, no authentication can be done at this time (regardless of whether it is started with the-auth parameter). Until you add a user to the admin.system.users. The core scenario for hardening is to implement MongoDB's authentication and authorization services

Tags: Linux security system hardening#!/bin/bash#设置密码复杂度If [-z] cat /etc/pam.d/system-auth | grep -v "^#" | grep "pam_cracklib.so" "];thenSed-i '/password required Pam_deny.so/a\password required pam_cracklib.so try_first_pass minlen=8 ucredit=-1 lcredit=-1 Ocredit=-1 dcredit=-1 retry=3 difok=5 '/etc/pam.d/system-authFi #设置连续登录失败暂锁机制 If [-Z ' Cat/etc/pam.d/system-auth | Grep-v "^#" | grep "pam_tally.so" "];then If [-z] Cat/etc/pam.d/system-auth |

| Currentconnections 10| Totalconnections 78 | Maximumconnections 1024| TCPPort 11211| Udpport 11211|_ Authentication NoBug fixes:1. Configure memcached to listen for local loopback address 127.0.0.1.[Email protected] ~]# vim/etc/sysconfig/memcachedOptions= "-l 127.0.0.1" #设置本地为监听[[email protected] ~]#/etc/init.d/memcached Restart #重启服务 (May prompt 11211 port to be occupied, this time need kill corresponding 11211 occupied PID)2, when the memcached is configured to monitor the intranet IP or pub

=-1 lcredit=-1dcredit=-1ocredit=-1>>/etc/pam.d/common-password# set to password continuous error 5 times lock, Lockout Time 300 sec echoauthrequiredpam_tally2.sodeny=5onerr=failno_magic_root unlock_time=300>>/etc/pam.d/common-password #口令历史策略echo password sufficientpam_unix.somd5shadownulloktry_first_pass use_authtokremember=5>>/etc/pam.d/common-password #禁止pingecho 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all #禁止IP伪装echo nospoofon>>/ etc/host.conf #创建新的用户useraddosadminechopassword|passwd--stdinos

used to trigger a function when the mouse moves over an HTML element and moves out of an element. such as this example:onmouseover= "this.innerhtml= ' good '"onmouseout= "This.innerhtml= ' you had moved out '" >move your Mouse to HereWhen the mouse is moved, the "good" is displayed, and when the mouse moves out, it displays "You are moved out":OnMouseDown, onmouseup is the mouse down and release events. The onmousedown event is triggered first when the mouse button is clicked, and the OnMouseUp

without:var x1=34.00; // use a decimal point to write var x2=34; // do not use the decimal point to write2.2.3 BooleanBoolean can have only two values: TRUE or false:var x=truevar y=false2.2.4 ArrayCreate an array named Boys:var boys=NewArray(); boys[0]= "Tom"; boys[1]= "Jack"; boys[2]= "Alex";You can also do this:var boys=NewArray("Tom", "Jack", "Alex");2.3 operatorMost programming languages have similar operator rules, and JavaScript is close to what most people know about C, Jav

the user is rejected if it does not matchPermitrootlogin no//deny root user LoginCp/etc/ssh/sshd_config/etc/ssh/sshd_config.bakgrep Banner/etc/ssh/sshd_configbanner/etc/ssh/ssh_login_banner# Banner None//Cancel Banner message cat/etc/ssh/ssh_login_bannerwelcome to CentOS 6.5See if there's any/etc/inittab inside.#ca:: Ctrlaltdel:/sbin/shutdown-t3-r now//disable Ctrl+alt+delvi/etc/pam.d/system-authauth required pam_tally.so ONERR=FA Il deny=6 unlock_time=300//password consecutive error 6 times, a

format, which needs to be traversed.5, finally a string of complete code:1 fromSeleniumImportWebdriver2 Import Time3 Importlxml.html as HTML4 fromBs4ImportBeautifulSoup5 fromSelenium.webdriver.common.keysImportKeys6 fromSelenium.webdriver.common.action_chainsImportActionchains7 fromPymongoImportmongoclient,ascending, Descending8 fromSelenium.webdriver.common.byImport by9 defparser ():TenURL ='https://www.xxx.com' OneDriver=Webdriver. Chrome () A driver.get (URL) -Time.sleep (5) - f

, to "check" the delete and deletion changes through the view, the data that requires additions and deletions, must be the data that the select query can query, Otherwise, the action is not allowed and an error prompt is returned. By default, does not check if the rows can be retrieved by the select query before adding or removing them. 5 with Read only: Views created can only be used for querying data, not for changing data. Five: Example:CREATE VIEW Customer_contact_innerAsSelect T1.cust

Simple query for some SQL exercises--Select all employees in department 30 select * from emp where deptno = 30;--List all clerk (Clerk) name, number, and department number select E.ename, E.empno, E.deptno from EMP e where e.job = ' clerk ';--find out bonuses above salary for employees select * from EMP where comm > sal;--Find bonuses above salary of 60% employees select * from emp where com M > Sal * 0.6;--Find out the details of all the salesmen (manager) and department 20 in department 10 (cl

Label: SQLSERVER2012 installed after the necessary security reinforcement, or very much DBA information can be read after the ordinary account login.--use [Master]--go--deny view SERVER state to [public]--go--use [master]--go--deny VIEW any DATABASE to [public]-- GO/********** Part sqlcopy need this permission cannot take off--use [master]--go--deny VIEW any DEFINITION to [public]--go *******/----restricted Login name--deny SELECT on Object::[sys]. [Server_principals] to [public]--go--use [maste

SQLSERVER2012 installed after the necessary security reinforcement, or many DBA information can be read after the ordinary account login.--use [Master]--go--deny View SERVER state to [public]--go--use] [Master]--go--deny View any DATABASE to [public]--go/***** Some sqlcopy need this permission not to take away--use [Master]--go--deny View any DEFINITION to [public]--go*******/----restrict user login After viewing the login name--deny SELECT on Object::[sys]. [Server_principals] to [public]--go--

Tags: oracle java SE Arbitrary code execution Vulnerability hardeningOracle Java SE arbitrary code Execution Vulnerability hardeningCurrently the vendor has released an upgrade patch to fix this security issue, patch get Link: http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.htmlDownload jre-8u111-windows-i586 timely update canThis article is from the "httpblog.mvp-610163.com" blog, make sure to keep this source http://341103.blog.51cto.com/331103/1874381Oracle Java SE arbitr

Write a simple query statement1. Display all the information of the Department tableSelect * FROM Dept;2. Show department number, department nameSelectdeptno,dname from Dept;3. Displays the following fields and string connections: Employee name, "1 month Salary:", salary. For example: Amy's 1 month Salary: 8000Select ename| | ' The one-month salary is: ' | | Sal Fromemp;4. Show employee name, work hours, workSelectename,hiredate,job from EMP;5. Show Employee Name: Alias name, annual salary (13 m

Write a simple query statement1. Display all the information of the Department tableSelect * FROM Dept;2. Show department number, department nameSelectdeptno,dname from Dept;3. Displays the connection for the following fields and strings: Employee name. "1 months ' wages are:", wages.For example: Amy's 1 month Salary: 8000Select ename| | ' The one-month salary is: ' | | Sal Fromemp;4. Display employee name, working hours, workSelectename,hiredate,job from EMP;5. Show Employee Name: Alias name, a

Tags: months_between trunc add_months Simple query for some SQL exercises --Select all employees in department 30 select * from emp where deptno = 30; --List all salesman (clerk) name, number, and department number select E.ename, E.empno, e.deptno from emp e where e.job = ' clerk '; --Find employees with bonuses above salary select * from emp where comm > sal; --Find 60% employees with bonuses above salary select * from emp where comm > sal * 0.6; --Find out the details of all the Clerks (m