> Source: [sk82080](https://support.checkpoint.com/results/sk/sk82080)

# sk82080 - /var/log/messages files are filled with 'kernel: FW-1: fwldbcast_update_block_new_conns: sync in risk: did not receive ack for the last 410 packets'

| Property | Value |
|----------|-------|
| Solution ID | sk82080 |
| Date Created | 2012-08-13 |
| Last Modified | 2022-07-05 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R81.10 (EOS), R81 (EOS) |

## Symptoms

- /var/log/messages files are filled with  

`kernel: FW-1: fwldbcast_update_block_new_conns: sync in risk: did not receive ack for the last 410 packets`  
`kernel: FW-1: fwldbcast_update_block_new_conns: starting to block new connections !`  
`kernel: FW-1: fwldbcast_update_block_new_conns: sync has stabilized. fw_sync_block_new_conns returned to 0`

## Cause

Amount of outgoing Delta Sync packets is too high for the current Sending Queue size.

## Solution

This solution requires authentication. Please log in to view the full solution.

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