IP Spoofing techniques are a means to obtain unauthorized access to computer technology, that is, the attacker through the pseudo-IP addresses to send information to the computer and displays the information from the real host. Cause pseudo-IP technology has a variety of attack types, as follows: Non-Blind Spoofing – When the attacks and their targets [...]
Archive for March, 2009
Using ACL in cisco routers to prevent Spoofing Mitigation
Win2000 MCSE certification exam strategy
About the latest Microsoft certification such as certification requirements, examination selection, the examination order and some related proposals. Win2000 MCSE certification requirements Core Examination MCSE exam will be able to select through the four Windows 2000 or four Windows XP Professional / Windows. NET Server exams (a total of four core operating system exams) to [...]
MCSD Certification Frequently Asked Questions
Q: Why is Microsoft revised the Microsoft Certified Solution Developer certification experts? A: According to technology, products and the ever-changing job role, Microsoft revised the MCSD series, to meet the needs of developers. The new certification is at more than 2,000 career assist developers using the recent results of the analysis tasks of the set [...]
Free Download The Pass4sure Cisco “IT Pioneer”
The Pass4sure official website says that the first issue of “IT Pioneer” will not sell, only offering to those people who buy Pass4sure Cisco products. This magazine sells for $29.99, a surprising price, Yes? With curiosity, I download and read the magazine. Generally speaking, its appearance looks pretty good. The following are my opinions: The [...]
Why are 70-220,221 recommended as an elective?
Microsoft launched on WIN2K curriculum elective door a few more time NT 4.0 has a very large increase. and now have many of the courses are still under BETA testing or still plan to introduce a Medium. According to Microsoft’s certification rules, elective courses can choose from these two, which give the students a very [...]
E-magazine named IT Pioneer is newly released by
“IT Pioneer” is a monthly magazine published by Pass4sure, including technology skills,analysis of stresses and difficulties on certification.This magazine started its publication on 14th March,2009 provides IT professionals with platform to share technical resources. “IT Pioneer” contains the following contents: Industry hot news Certification Perspective Technical Skills Pass4sure Activity Pass4sure Discount Voucher Issuance More Please [...]
Floating Static Route
Intention:Use floating static route (Floating Static Route) so that the whole network the Internet, under normal circumstances, R1 to R3 hair packets From e0 / 0 (192.168.12.0) away, when the e0 / 0 after disconnect, R1 will automatically switch to the e0 / 1 (192.168.21.0), when the e0 / 0 Opened, R1 will automatically switch [...]
IPV4 Summary Static-Route
R1 Configuration: ! ! interface Loopback0 ip address 192.168.1.1 255.255.255.255 ! interface Ethernet0/0 ip address 192.168.12.1 255.255.255.0 half-duplex ! ip route 192.168.0.0 255.255.0.0 192.168.12.2 ! ! R2 Configuration: ! ! interface Ethernet0/0 ip address 192.168.12.2 255.255.255.0 half-duplex ! interface Ethernet0/2 ip address 192.168.23.2 255.255.255.0 half-duplex ! interface Ethernet0/3 ip address 192.168.24.2 255.255.255.0 half-duplex ! ! [...]
IPV6 Static Route
R1 Configuration: ! ipv6 unicast-routing ! ! interface Loopback0 no ip address ipv6 address 1111::1/128 ! interface Ethernet0/0 no ip address half-duplex ipv6 address 1212::1/64 ! ! ipv6 route 2323::/64 1212::2 ipv6 route 2424::/64 1212::2 ipv6 route 3333::3/128 1212::2 ipv6 route 4444::4/128 1212::2 ! ! R2 configuration: ! ipv6 unicast-routing ! interface Ethernet0/0 no ip [...]
Why Are Some OSPF Routes in the Database but Not in the Routing Table?
A common problem when using Open Shortest Path First (OSPF) is routes in the database don’t appear in the routing table. In most cases OSPF finds a discrepancy in the database so it doesn’t install the route in the routing table. Often, you can see the Adv Router is not-reachable message (which means that the [...]