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After I installed my new firewall (sonicwall pro 2040) i have problem getting through to my office. The sonicwall find every connection/attempts from my homeoffice as an intrusion, eighter it's a request for a webpage, ftp server or terminal server. The log says it blocks the request because the category is &quot;intrusion prevention&quot; and message &quot;ip spoof dropped&quot; with the explanation &quot;striker attack&quot;. I don't have this problem from any other locations, and can't figure out why this happends. My homeoffice firewall is an cyberguard sg530. There is no rule in eighter firewalls that attempts to rewrite the packets.
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After I installed my new firewall (sonicwall pro 2040) i have problem getting through to my office. The sonicwall find every connection/attempts from my homeoffice as an intrusion, eighter it's a request for a webpage, ftp server or terminal server. The log says it blocks the request because the category is "intrusion prevention" and message "ip spoof dropped" with the explanation "striker attack". I don't have this problem from any other locations, and can't figure out why this happends. My homeoffice firewall is an cyberguard sg530. There is no rule in eighter firewalls that attempts to rewrite the packets.

My Office firewall (Sonicwall Pro 2040) block everything from my homeoffice

Software firewalls, also known as host-based firewalls, provide a layer of software on one host that controls network traffic in and out of that single machine. Most operating systems now include firewall software, but many available software firewalls include central distribution, antivirus systems and disaster recovery.