Hi Everyone,

I have P-1 NGx R61 with HFA_01 on RedHat Linux ES and I have to modify one
of the CMA to add the following parameter "keep_DF_flag" set it to 1 on my local
Nokia IP380 firewall.  According to Checkpoint SK17280:

Solution ID: #sk17280

Product: VPN-1 Pro (VPN-1/FW-1)
Version: NG, NG AI, NGX
Last Modified: 29-Nov-2006
Symptoms

* Packets are fragmented, even though DF (Do not Fragment) bit is set

Cause
By default the DF (Do Not Fragment) bit is turned off, so even if a packet 
came with enabled DF bit, that packet will be fragmented.

Solution
By default, value of keep_DF_flag is 0, meaning the DF flag is turned off. 
If value of keep_DF_flag is set to 1, the Firewall keeps the DF bit 
on the original packet.

Procedure:

Starting from VPN-1/FireWall-1 NG FP3 this property exists in 
$FWDIR/conf/objects_5_0.C file and can be modified manually 
or with DBedit. (Add it if it is not defined.)

For each Security Gateway object there are two attributes:

* keep_DF_flag (used for the Security Gateway object).

* keep_DF_flag_SR (downloaded to SecureRemote during "Download topology"
  action).

I know how to use dbedit but I don't know exactly what the syntax is for this.

Interestingly, the Checkpoint TAC engineer assigned to the case couldn't help
me either.

Thanks in advance.

cisco4ng

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