# help for bro
**URL:** https://community.zeek.org/t/help-for-bro/1609
**Category:** Zeek
**Created:** [April 8, 2010, 11:11am UTC](https://community.zeek.org/t/help-for-bro/1609 "2010-04-08T11:11:42Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@vijay\_khadse](https://community.zeek.org/u/vijay_khadse)
#### Post date: [April 8, 2010, 11:11am UTC](https://community.zeek.org/t/help-for-bro/1609/1 "2010-04-08T11:11:42Z")
hello all,
When i run bro without having the Internet connection it gives me some thing like this. Please tell me what changes should i make in order to remove this error. I am using bro 1.5 on suse 11.2.
The message i get are :
bro -r /usr/local/bro/090000-0-anon.pcap /usr/local/bro/share/bro/synflood.bro
/usr/local/bro/share/bro/drop.bro, line 67: internal error: NB-DNS error in DNS\_Mgr::WaitForReplies (recvfrom(): Connection refused)
Aborted
linux-oxtm:~ # bro -r /usr/local/bro/090000-0-anon.pcap /usr/local/bro/share/bro/http.bro
/usr/local/bro/share/bro/drop.bro, line 67: internal error: NB-DNS error in DNS\_Mgr::WaitForReplies (recvfrom(): Connection refused)
Aborted
---
### Author:  [@Seth\_Hall](https://community.zeek.org/u/Seth_Hall)
#### Post date: [April 8, 2010, 2:15pm UTC](https://community.zeek.org/t/help-for-bro/1609/2 "2010-04-08T14:15:55Z")
Bro needs to be able to do DNS resolution. You can have it fake it internally though by setting the BRO\_DNS\_FAKE environment variable to anything. For example...
export BRO\_DNS\_FAKE=1
.Seth
---
### Author:  [@system](https://community.zeek.org/u/system)
#### Post date: [May 6, 2022, 3:39pm UTC](https://community.zeek.org/t/help-for-bro/1609/3 "2022-05-06T15:39:04Z")