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PHP Session Fixation / Hijacking

...ed so it's not 100% reliable, but it's better than not. Include the user's IP address from $_SERVER['REMOTE_ADDR'] in the session. Basically, when the session starts, store it in something like $_SESSION['remote_ip']. This may be problematic from some ISPs that use multiple IP addresses for their ...
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TCP vs UDP on video stream

...tivity; therefore TCP is more appropriate for replaying a video-on-demand. IP multicast significantly reduces video bandwidth requirements for large audiences; TCP prevents the use of IP multicast, but UDP is well-suited for IP multicast. Live video is normally a constant-bandwidth stream recorded o...
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How do I fix the error 'Named Pipes Provider, error 40 - Could not open a connection to' SQL Server'

...g with SERVER/INSTANCENAME when everything is configured correctly, named pipes, user access rights... and suddenly it struck me, it's not a slash, it's a backslash (\). The horror, the shame... share | ...
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MySQL CONCAT returns NULL if any field contain NULL

...ONCAT(COALESCE(`affiliate_name`,''),'-',COALESCE(`model`,''),'-',COALESCE(`ip`,''),'-',COALESCE(`os_type`,''),'-',COALESCE(`os_version`,'')) AS device_name FROM devices share | improve this answer ...
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]

...out which username you should use is often lacking from the AMI Image description. But you can find some in AWS EC2 documentation, bullet point 4. : http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html Use the ssh command to connect to the instance. You'll specify the...
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How to detect the physical connected state of a network cable/connector?

...nected state of an RJ45 connector to its socket. Preferably using BASH scripting only. 14 Answers ...
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how to detect search engine bots with php?

...s user agent with fake name and name it like "Googlebot"? I think checking ip range is more trustworthy! – Mojtaba Rezaeian Jul 1 '15 at 6:39  |  ...
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Difference between TCP and UDP?

... TCP is a connection oriented stream over an IP network. It guarantees that all sent packets will reach the destination in the correct order. This imply the use of acknowledgement packets sent back to the sender, and automatic retransmission, causing additional delays a...
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LoadRunner中参数化技术详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...意】对于参数类型为File/Table的数据文件: l 在参数数据显示区中,最多只显示前100条数据,之后的不显示,但不影响正常取数据。 l 在记事本中编辑参数数据时,数据文件一定要以一个空行结束,否则,最后一行输入的数据...
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How to create a self-signed certificate with OpenSSL

...lopment. # DNS.5 = localhost # DNS.6 = localhost.localdomain # IP.1 = 127.0.0.1 # IP.2 = ::1 It's important to put DNS name in the SAN and not the CN, because both the IETF and the CA/Browser Forums specify the practice. They also specify that DNS names in the CN are depr...