# FTL failed to start

**URL:** <https://discourse.pi-hole.net/t/ftl-failed-to-start/58653>\
**Category:** Help\
**Created:** [October 18, 2022, 5:37pm UTC](https://discourse.pi-hole.net/t/ftl-failed-to-start/58653 "2022-10-18T17:37:26Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![os05h](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/os05h/32/33140_2.png) [@os05h](https://discourse.pi-hole.net/u/os05h)\
**Post date:** [October 18, 2022, 5:37pm UTC](https://discourse.pi-hole.net/t/ftl-failed-to-start/58653/1 "2022-10-18T17:37:26Z")

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FTL failed to start due to failed to bind DHCP server socket: Address already in use

## Debug Token:

[https://tricorder.pi-hole.net/cpb7L2E2/](https://tricorder.pi-hole.net/cpb7L2E2/)

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**Author:** ![jfb](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/jfb/32/4332_2.png) [@jfb](https://discourse.pi-hole.net/u/jfb)\
**Post date:** [October 18, 2022, 6:08pm UTC](https://discourse.pi-hole.net/t/ftl-failed-to-start/58653/2 "2022-10-18T18:08:44Z")

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FTL failed to start because you have dnsmasq running on port 53.

```auto
*** [DIAGNOSING]: Ports in use
[✗] udp:10.42.0.1:53 is in use by dnsmasq (https://docs.pi-hole.net/main/prerequisites/#ports)

```

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<div class="post-metadata">

**Author:** ![rdwebdesign](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/rdwebdesign/32/51363_2.png) [@rdwebdesign](https://discourse.pi-hole.net/u/rdwebdesign)\
**Post date:** [October 18, 2022, 6:09pm UTC](https://discourse.pi-hole.net/t/ftl-failed-to-start/58653/3 "2022-10-18T18:09:09Z")

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```auto
*** [DIAGNOSING]: Ports in use
[✗] udp:10.42.0.1:53 is in use by dnsmasq (https://docs.pi-hole.net/main/prerequisites/#ports)
...
[✗] tcp:10.42.0.1:53 is in use by dnsmasq (https://docs.pi-hole.net/main/prerequisites/#ports)

```

You need to disable `dnsmasq`. It is using port 53, needed by `pihole-FTL`.

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<div class="post-metadata">

**Author:** ![os05h](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/os05h/32/33140_2.png) [@os05h](https://discourse.pi-hole.net/u/os05h)\
**Post date:** [October 19, 2022, 11:40am UTC](https://discourse.pi-hole.net/t/ftl-failed-to-start/58653/4 "2022-10-19T11:40:49Z")

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how do i do that the correct way?

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<div class="post-metadata">

**Author:** ![yubiuser](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/yubiuser/32/12100_2.png) [@yubiuser](https://discourse.pi-hole.net/u/yubiuser)\
**Post date:** [October 19, 2022, 1:15pm UTC](https://discourse.pi-hole.net/t/ftl-failed-to-start/58653/5 "2022-10-19T13:15:34Z")

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Try using the search option of this forum. If you would have so, you would easily found this thread:

> [@Dnsmasq service - should it be disabled?](https://discourse.pi-hole.net/t/dnsmasq-service-should-it-be-disabled/15889/10):
>
> Hi @jfb - no worries. The issue I can see is that, as this is a service that is started via update-rc.d a normal 'disable' does not work as it leaves the various run level files hanging around as seen by ls -l /etc/rc?.d/\*dns\* To remove those you need to execute update-rc.d -f dnsmasq remove. Secondly, disabling a service simply stops it from running at boot, but does leave open the possibility of it being initiated by another service. To stop the possibility of that happening, a systemctl …

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<div class="post-metadata">

**Author:** ![system](https://discourse.pi-hole.net/uploads/default/original/3X/7/c/7c8792f649eeb921c5d2b4c41564ffa873d9a2b8.png) [@system](https://discourse.pi-hole.net/u/system)\
**Post date:** [November 9, 2022, 1:16pm UTC](https://discourse.pi-hole.net/t/ftl-failed-to-start/58653/6 "2022-11-09T13:16:04Z")

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