Moderate: Red Hat Security Advisory: zebra security update

Updated zebra packages that fix several security vulnerabilities are now available. This update has been rated as having moderate security impact by the Red Hat Security Response Team. GNU Zebra is a free software that manages TCP/IP based routing protocol. An information disclosure flaw was foun...

Important: Red Hat Security Advisory: kernel security update

Updated kernel packages that fix several security issues in the Red Hat Enterprise Linux 4 kernel are now available. This security advisory has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel handles the basic functions of the operating syste...

Then talk about the Exchange environment session hijacking(For windows2000)-vulnerability warning-the black bar safety net

The first step is to open the IP Routing function, modify the registry HKEYLOCALMACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\IPEnableRouter to 0x1, and restart the system. The second step is ARP spoofing, the specific principle I will not say. The third step is to start the hijackin...

How could an attacker use the“IP address spoofing” break through the firewall system? (Figure)-vulnerability warning-the black bar safety net

General access control is mainly in the firewall settings, develop a security policy: e.g. internal LAN resources do not allow external Internet users to use; not fortified areaknown as the demilitarized zonecan be for internal or external local area network, wherein the resource allows the...