Shouting from the Rooftops: Improving Email
... encryption algorithm to generate cipher code owner can send you encrypted email securely, but cannot decrypt it owner can decrypt the email. ...
... encryption algorithm to generate cipher code owner can send you encrypted email securely, but cannot decrypt it owner can decrypt the email. ...
1989
... • Network technology – Any such as, Ethernet LAN, a dial-up modem, a fiber optic link, or ATM – => Internet’s strength – Supporting a new network technology is simply a matter of implementing an appropriate low layer protocol. ...
... • Network technology – Any such as, Ethernet LAN, a dial-up modem, a fiber optic link, or ATM – => Internet’s strength – Supporting a new network technology is simply a matter of implementing an appropriate low layer protocol. ...
Introduction
... Mobile IP allows hosts to keep a contact address (home address) while connected to a different subnetwork ...
... Mobile IP allows hosts to keep a contact address (home address) while connected to a different subnetwork ...
Remote Access Techniques
... E-mail, and bulletin board services. Such products ship with all necessary hardware and software fully installed, configured, and tested. In essence, such servers provide the means for resource pooling, allowing communications resources to be shared and allocated by need. This approach reduces the r ...
... E-mail, and bulletin board services. Such products ship with all necessary hardware and software fully installed, configured, and tested. In essence, such servers provide the means for resource pooling, allowing communications resources to be shared and allocated by need. This approach reduces the r ...
ppt
... SSH • Use two key pairs – Host key pair: a set of public/private keys that is established when you install openssh-server package • /etc/ssh ...
... SSH • Use two key pairs – Host key pair: a set of public/private keys that is established when you install openssh-server package • /etc/ssh ...
Remote Procedure Call
... – Simple Mail Transport Protocol (SMTP), File Transfer Protocol (FTP), Hyper-Text Transport Protocol (HTTP), Simple Network Management Protocol (SNMP), Network File System (NFS), Network Time Protocol (NTP), Net News Transport Protocol (NNTP), X (X Window Protocol) ...
... – Simple Mail Transport Protocol (SMTP), File Transfer Protocol (FTP), Hyper-Text Transport Protocol (HTTP), Simple Network Management Protocol (SNMP), Network File System (NFS), Network Time Protocol (NTP), Net News Transport Protocol (NNTP), X (X Window Protocol) ...
Lecture 3: Application layer: Principles of network applications
... • peers request service from other peers, provide service in return to other peers ...
... • peers request service from other peers, provide service in return to other peers ...
Unit-IV - unit 1
... • Data-sharing services provide end users with capabilities built upon the fundamental distributed services. These services require no programming on the part of the end user and facilitate better use of information. They include – Distributed file system, which interoperates with the network file s ...
... • Data-sharing services provide end users with capabilities built upon the fundamental distributed services. These services require no programming on the part of the end user and facilitate better use of information. They include – Distributed file system, which interoperates with the network file s ...
Dual Channel 2Gb/s Fibre Channel – LightPulse LP9002DC
... The LP9002DC Dual Channel PCI host bus adapter offers two independent 2Gb/s Fibre Channel HBA interfaces in a single PCI slot. It delivers exceptional performance through the use of two Emulex Centaur ASICs, two 266MIPS onboard processors, high speed buffer memory, and a high performance 64 bit 66MH ...
... The LP9002DC Dual Channel PCI host bus adapter offers two independent 2Gb/s Fibre Channel HBA interfaces in a single PCI slot. It delivers exceptional performance through the use of two Emulex Centaur ASICs, two 266MIPS onboard processors, high speed buffer memory, and a high performance 64 bit 66MH ...
Emulab`s Current Support For IXPs
... – Same ease of use and automatic setup of other Emulab resources, now extended to the IXP – Can be configured in an arbitrary network topology with end-nodes and routers, to experiment with and evaluate an IXP-based application ...
... – Same ease of use and automatic setup of other Emulab resources, now extended to the IXP – Can be configured in an arbitrary network topology with end-nodes and routers, to experiment with and evaluate an IXP-based application ...
a client
... networked computers communicated and coordinate their actions only by passing message –G. Coulouris A collection of independent computers that appears to its users as a single coherent system. - S. Tanenbaum It leads to concurrency of components, lack of a global clock and independent failures o ...
... networked computers communicated and coordinate their actions only by passing message –G. Coulouris A collection of independent computers that appears to its users as a single coherent system. - S. Tanenbaum It leads to concurrency of components, lack of a global clock and independent failures o ...
INM2007
... Goal: Migrate Virtual Server “a” (VSa) with IP address IPa from Physical Server “a” (PSa) in data center “A” (DCa) to Physical Server “b” (PSb) in data center “B” (DCb) Network part of migration 1. Migration software signals to “network” that IPa will (soon) migrate from PEa to PEb 2. “Network” crea ...
... Goal: Migrate Virtual Server “a” (VSa) with IP address IPa from Physical Server “a” (PSa) in data center “A” (DCa) to Physical Server “b” (PSb) in data center “B” (DCb) Network part of migration 1. Migration software signals to “network” that IPa will (soon) migrate from PEa to PEb 2. “Network” crea ...
Lab 1 – The Basics - Computer Science
... hundreds of people could use the processor or hard drive. Can you think of such a scenario? When you login, your client computer contacts a server. Specifically, you contact a computer called Turing, which is located in Ken Swarner’s office. Unlike a PC, a server is used by multiple users. Servers a ...
... hundreds of people could use the processor or hard drive. Can you think of such a scenario? When you login, your client computer contacts a server. Specifically, you contact a computer called Turing, which is located in Ken Swarner’s office. Unlike a PC, a server is used by multiple users. Servers a ...
Recon
... To obtain a quick list of live hosts on the network without scanning for open ports on each, use the –sP (ping scan) switch. The syntax is: nmap –sP/mask
◦ Replace with the real network ID. It
may be in the FQDN or resolved IP format.
◦ Use the CIDR notation for the mask.
...
... To obtain a quick list of live hosts on the network without scanning for open ports on each, use the –sP (ping scan) switch. The syntax is: nmap –sP
3-Tier Client/Server
... The presentation tier displays information related to such services as browsing merchandise, purchasing and shopping cart contents. It communicates with other tiers by which it puts out the results to the browser/client tier and all other tiers in the network. (In simple terms it is a layer which ...
... The presentation tier displays information related to such services as browsing merchandise, purchasing and shopping cart contents. It communicates with other tiers by which it puts out the results to the browser/client tier and all other tiers in the network. (In simple terms it is a layer which ...
photo.net Introduction - ADUni.org: ArsDigita University
... Each server registers a service and a version Service - typically implemented as an integer; a set of well-known services exist Version - a number used to select which server to use Who decides which server to return to the client? Key issue: Load Balancing ...
... Each server registers a service and a version Service - typically implemented as an integer; a set of well-known services exist Version - a number used to select which server to use Who decides which server to return to the client? Key issue: Load Balancing ...
Document
... • attacker causes access point to discard packets while client is still sleeping • attacker convinces client there is no data waiting ...
... • attacker causes access point to discard packets while client is still sleeping • attacker convinces client there is no data waiting ...
Client-Server Architectures and the Internet
... servers. They redirect requests from clients to an origin server. Clients connecting to a (server) proxy know of the proxy. Clients connecting to gateways do not know they do not connect to the origin server. In fact, they (usually) cannot connect directly to the server at all. ...
... servers. They redirect requests from clients to an origin server. Clients connecting to a (server) proxy know of the proxy. Clients connecting to gateways do not know they do not connect to the origin server. In fact, they (usually) cannot connect directly to the server at all. ...
Advanced Web Technologies - awt-szabist
... 2) “3-Tier Client/Server Architecture”, http://en.kioskea.net/contents/cs/cs3tier.php3, visited on 3rd Jan 2011 3) “What is XHTML”, http://www.utoronto.ca/web/HTMLdocs/NewHTML/xhtml.html, visited on 3rd Jan 2011 ...
... 2) “3-Tier Client/Server Architecture”, http://en.kioskea.net/contents/cs/cs3tier.php3, visited on 3rd Jan 2011 3) “What is XHTML”, http://www.utoronto.ca/web/HTMLdocs/NewHTML/xhtml.html, visited on 3rd Jan 2011 ...
Boilerplate language for inclusion in grants and IRB documentation¶
... and calculated fields; and 5) quick and easy protocol set-up. REDCap is available without licensing fees; costs involved in upgrade validation and server maintenance are subsidized by SOM. Use of Duke’s REDCap is free for Duke faculty and staff with a NetID who want to build their own databases, wit ...
... and calculated fields; and 5) quick and easy protocol set-up. REDCap is available without licensing fees; costs involved in upgrade validation and server maintenance are subsidized by SOM. Use of Duke’s REDCap is free for Duke faculty and staff with a NetID who want to build their own databases, wit ...
Microsoft Internet Authentication Service
... remote access network IP address range provide for you site. The level of a trust you give to this subnet is entirely up your institution but it is worth bearing in mind that restricting access to certain service such as local DNS, Kerberos, LDAP, WINS, etc... may create problems for clients connect ...
... remote access network IP address range provide for you site. The level of a trust you give to this subnet is entirely up your institution but it is worth bearing in mind that restricting access to certain service such as local DNS, Kerberos, LDAP, WINS, etc... may create problems for clients connect ...
Chapter 12
... Used to select the type or types of authentication methods such as EAP, CHAP, MS-CHAP, MSCHAP v2, PAP, and SPAP (or no authentication) Used to set dial-in limitations, such as times of the day and days of the week when the RAS servers can be accessed, amount of time a connection can be idle before i ...
... Used to select the type or types of authentication methods such as EAP, CHAP, MS-CHAP, MSCHAP v2, PAP, and SPAP (or no authentication) Used to set dial-in limitations, such as times of the day and days of the week when the RAS servers can be accessed, amount of time a connection can be idle before i ...
Routers, Filtering, firewall, and NAT
... • Since the firewall acts as the go between, the internal computer is protected. • Side effect is that you only need a limited number of real IP numbers, while using the 10.x.x.x IP set for the internal network. • Firewall configured to have real IP numbers on machines accessed from the outside, suc ...
... • Since the firewall acts as the go between, the internal computer is protected. • Side effect is that you only need a limited number of real IP numbers, while using the 10.x.x.x IP set for the internal network. • Firewall configured to have real IP numbers on machines accessed from the outside, suc ...
Telecommunications
... the Internet as a low-cost WAN backbone to transport data between tow or more geographically separate sites • Advantages that a VPN has over a dedicated-line WAN: – The cost of implementation – No need to lay cable or lease dedicated lines between the remote sites needing to connect – Additional Int ...
... the Internet as a low-cost WAN backbone to transport data between tow or more geographically separate sites • Advantages that a VPN has over a dedicated-line WAN: – The cost of implementation – No need to lay cable or lease dedicated lines between the remote sites needing to connect – Additional Int ...