Test a business data portal for functional testing of the Task manager, found that the IE process has reached the 423,145k, suspected of a memory leak, so I intend to use IE plug-in JS memory leaks dector to detect, However, after some operations that could cause memory leaks, the test results were always normal and no memory leaks were found, and developers had
I have been studying CCNP Security Firewall v1.0 recently. Now the research is complete! It is found that Cisco ASA 8.4 has changed a lot. It is more and more like the checkpoint firewall. The global access control list, whether it is NAT or recently, is exactly the same as that of the cp firewall. After the Firewall v1.0 study is completed, the next research goal is VPN v1.0, which mainly introduces VPN on
iOS Development 74-xcode (7.3.1) uses the instruments (7.3.1) test memory leak example (circular reference) to intentionally write a memory leak code, circular reference in the ARC environment.
Two objects are strong references and point to each other, resulting in a memory leak.
-(void) viewdidload
{
Leakmodel
1. We know that when an object is created, the memory that is opened to the object is on the heap, and if the object is large enough, or if the object is big enough, it causes heap overflow when the heap memory is not allocated.2. We know that variables of value types are stored in the stack space, and if the value type variable is large enough it will cause the stack to overflow, and we also know that the recursive invocation of the function will also be pushed to the stack operation.3. Belo
I. Overview:
Both ends of the headquarters and division are PIX8.0, all for De Chinglu, such as a telecommunications line, a mobile line, requiring telecommunications lines to go their own online internet traffic, mobile line to go VPN traffic, but if the telecommunications line failure, or mobile line failure, can not interrupt the Internet and VPN connection.
Two. Basic ideas:
A. Set two default gatewa
I. Overview:
Test the transparency of the Site-to-site VPN and the role of the wall, and through DHCP and OSPF to verify how the transparent wall to put the strategy.
Two. Basic ideas:
A. The VPN for the transparent wall is only for the management wall, that's all.
The b.arp can be automatically crossed to the transparent wall, so the
A. Test topology:
Reference Link: http://blog.sina.com.cn/s/blog_52ddfea30100gf4r.html
Http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_vpn_ac_802_1x.html
Two. Basic ideas:
A. Branch offices Configure Site-to-site VPN with headquarters and enable DHCP server and dot1x authentication
B.dhcp assign a different address pool based on whether or not to pass DOT1X authenticatio
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