> Source: [sk92835](https://support.checkpoint.com/results/sk/sk92835)

# sk92835 - Large DNS packets (eDNS) are dropped by the gateway

| Property | Value |
|----------|-------|
| Solution ID | sk92835 |
| Date Created | 2013-05-17 |
| Last Modified | 2019-02-14 |
| Technical Level | Advanced |
| OS | Gaia |

## Symptoms

- * Large DNS packets are dropped by the gateway.
* zdebug drop captures shows - "fw_log_drop: Packet proto=17 x.x.x.x:41446 -\> y.y.y.y:53 dropped by fw_handle_first_packet Reason: Rulebase drop - rule 0;"

## Cause

Firewall blocks the UDP packets larger than 512 bytes, which is the default size limit to DNS packets.

## Solution

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

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