Cable Forum - New linksys Firmware

Linksys befsr41/befsr11/befsru31 1.45.11 *** Versions 1-2 for v3 see here

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# Fixed CGI string attacks issue
# Fixed UPnP on Windows XP SP2 issue
# Fixed One way audio issue
# Fixed NAT-T issue for some VPN connection
# Fixed DHCP server revision, fill the siaddr to the server address
# Fixed DHCP (BOOTP) vulnerability issue
# Added Filter IDENT(port 113) to appear stealth when scanned
# Added DHCP option 55 support
# Fixed buffer leakage bug
# Modified TCP Support RFC 3360 standard
# Modified PPPoE/L2TP/PPTP fragmentation supports fragmenting 1 packet into more than 3.
# Modified MTU/MRU function for better handling

BEFW11S4

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* Fixed MSN messenger compatibility issue.
* Fixed Multiple PPTP Pass-Through Connection.
* Fixed UPNP Functionality
* Fixed secured site connection reported by some ISP.
* Modified wireless page basic rates "MBps" to "Mbps" and WEP page description.
* Modified MTU size to restore default setting when choosing DHCP or static WAN connection type type in the setup tab.
* Fixed Upnp multicast issue that solves when remote management is 5678 or 2468 ports.
* Fixed MAC filter address in NT4.0+IE6.0 not appearing correctly.
* Modified PPTP WAN connnetion type MTU size from 576~1400 to 1200~1460. default is 1460
* Fixed fragment packets from the WAN will cause the router reboot to reboot when a multicast broadcast is received
* Fixed to avoid router repling to all ARP request from the WAN
* Fixed http://192.168.1.1:5678/...." address will not work when the web upgrade and backup & restore configuration is used
* Added support for RFC 2588 for proper handling of Multicast packet.
* CGI attack issue
* Added Internal NAT redirection option to prevent internal user from accessing port forwarded services.
* Fixed connection to NAT-T enabled VPN servers.
* Fixed the DHCP vulerability issue.

BEFSR81

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* Added Multicast IGMP Proxy function
* Added Filter Internet NAT Redirection option to disable local LAN users from accessing port forwarded services in the router
* Added CGI string attacks prevention
* Fixed UPnP issue with Windows XP SP2
* Fixed BOOTP response to DHCP server
* Modified DHCP server to fill the siaddr to the server address.
* NAT-T issue. Linux will reply the long packet echo reply out of order.
* Modified MTU/MRU response.
* Modified Support PPPoE/L2TP/PPTP fragmentation
* Modified RFC 3360. TCP RST handling
* Fixed buffer leakage bug.
* Added the DHCP option 55 support.
* Added Filter IDENT(Port 113) to block that port from port scan.
* Fixed DHCP lease time being too large will cause the router to request IP every 1 min
* Fixed port forwarding disabled will still allow access through the WAN
* Fixed fast web upgrade displaying correctly in web browsers
* Modified PPTP max MTU size from 1400 to 1460 When enable PPTP or PPPoE WAN connection type that MTU won't be enable automatically.
* Fixed remote port number not working correctly
* Fixed multicast UDP fragment packets (Media server in WAN) from the WAN will cause the router to reboot
* Fixed Cisco response VPN pass-through (UDP+ESP) packets connection to disconnect
* Fixed DNS will not query if DMZ is enabled
* Added support system information page
* Modified MSN L2L for proper support for 4.7 and 5.0 connect.