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Web Server(Apache), Proxy Server(Squid) & Server Logs   By Sanjay Kumar Malik Lecturer University School of IT GGS Indraprastha University Kashmere Gate, Delhi -110403
Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Webserver & it’s types  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Apache Web Server ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Requirement for Hosting WebServer(WebSite). ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How Webserver works ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.yahoo.com ISP Domain Proxy server www.yahoo.com Note:-For Home users, request will go directly to ISP since home users don’t use proxy servers .
Web Server Security ,[object Object],[object Object],[object Object],[object Object],[object Object]
Proxy Server,Advantages & Types(Squid & Others) ,[object Object],[object Object],[object Object],[object Object],[object Object],Clients Proxy Server WAN Link LAN Cables
Networking Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Switches 1. A Network device. Provides connectivity to all machines. Basically a centralize device with intelligence to forward data. Generally , superior than hubs. It maintains a table by which it takes decision to forward data. It has speed of upto 1000 mbps. It comes with 8port,16port,24port,48port,72port and so on) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Linux Introduction & features ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A few Linux commands   Commands Description touch create new file mkdir create new dir. vi  to edit file. cd  change dir. cp  copy file/dir. mv  move file/dir rm  remove file. rmdir  remove dir. date  view date. cal  view calendar. bc  view calculator. Init -0 shutdown the machine.
Server Logs ,[object Object],[object Object],[object Object],[object Object],[object Object],  Squid logs 1209105932.207  3  172.16.78.42  TCP_IMS_HIT/304 303 GET  http://www.ncbi.nlm.nih.gov/blast/js/utils.js  - NONE/- application/x-javascript 1209105931.658  7  172.16.1.148  TCP_MEM_HIT/200 1212 GET  http://www.relbio.com/images/careers_hover.jpg  - NONE/- image/jpeg1208855587.146  5561  172.16.16.12  TCP_MISS/302 553 GET  http://mail.yahoo.com / - DIRECT/202.86.7.110 text/html1208855687.590  712 172.16.1.1 TCP_MISS/302 572 GET http://orkut.com/ -  DIRECT/72.14.209.85 text/html Apache Logs(mail.ipu.edu) 202.159.218.122  - - [22/Apr/2008:09:47:21 +0530] "GET /webmail/src/style.php?themeid=default_theme&templateid=default HTTP/1.1" 200 5627 " http://mail.ipu.edu/webmail/src/login.php " "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.14) Gecko/20080404 Firefox/2.0.0.14" 59.90.72.161  - - [22/Apr/2008:09:12:14 +0530] "GET /webmail/src/style.php?themeid=default_theme&templateid=default HTTP/1.1" 200 5627 " http://mail.ipu.edu/webmail/src/login.php " "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;  Embedded Web Browser from: http://bsalsa.com/)" 202.159.218.122  - - [22/Apr/2008:09:47:21 +0530] "GET /webmail/src/login.php HTTP/1.1" 200 2363  "http://mail.ipu.edu /" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.14) Gecko/20080404 Firefox/2.0.0.14"
Network Security ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Securing Networks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Anti-X ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A few NetworkingTools ,[object Object],[object Object],[object Object],[object Object],OPManager - OPManager is a network monitoring software that can automatically discover our network, group your  devices into intuitive maps, monitor devices in real-time and alert instantaneously on failure.     http://manageengine.adventnet.com/products/opmanager/   IPAudit   IPAudit can be used to monitor network activity for a variety of purposes. It has proved useful for    monitoring intrusion detection, bandwith consumption and denial of service attacks.  .   For more informations   visit:http://ipaudit.sourceforge.net/ Ethereal (Packet sniffer ) http://www.ethereal.com WireShark (packet sniffer)  http://www.wireshark.org NMAP (port scanner)  http://nmap.org MRTG  ( Multi-route traffic generator)  http://www.mrtg.com Spamassassin (Mail Filter)  http://www.spamassassin.apache.org VNC (Remote desktop)  http://www.realvnc.com
Malicious Software Is a software that is intentionally included or inserted in a system for a harmful purpose. Virus :-Computer viruses are small software programs that are designed to spread from one computer to another and to interfere with computer operation.  Effects of Virus :- 1.A virus might corrupt or delete data on your computer. 2.Due to virus drives are not opened. 3.Slows down the speed of the system. 4.Taskmanager is Disabled.
Threats other than virus ,[object Object],[object Object],[object Object]
Antivirus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How to use antivirus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Symantec Antivirus Corporate Edition ,[object Object],[object Object],[object Object],[object Object],[object Object]
Management of Symantec Antivirus in Indraprastha University   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GGSIPU Website Updating through VPN ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Web Server(Apache),

  • 1. Web Server(Apache), Proxy Server(Squid) & Server Logs By Sanjay Kumar Malik Lecturer University School of IT GGS Indraprastha University Kashmere Gate, Delhi -110403
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12. A few Linux commands Commands Description touch create new file mkdir create new dir. vi to edit file. cd change dir. cp copy file/dir. mv move file/dir rm remove file. rmdir remove dir. date view date. cal view calendar. bc view calculator. Init -0 shutdown the machine.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18. Malicious Software Is a software that is intentionally included or inserted in a system for a harmful purpose. Virus :-Computer viruses are small software programs that are designed to spread from one computer to another and to interfere with computer operation. Effects of Virus :- 1.A virus might corrupt or delete data on your computer. 2.Due to virus drives are not opened. 3.Slows down the speed of the system. 4.Taskmanager is Disabled.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24.