Cannot access Nifi Web UI after set nifi.web.http.host

[#1]

I have a problem about Nifi Web UI. When I set nifi.web.http.host=luan-ht01, I could not access Nifi Web UI on browsers by public IP, example: http://localhost:8080/nifi/, http://107.113.193.160:8080/nifi. I only could access Nifi Web by host name, example: http://luan-ht01:8080/nifi/ . Do you have any solutions? Thank you very much.

I 'm using Nifi 1.9.0.

[#2]

@luan ha

Are you sure that "lunc-ht01" is your Public Hostname (OR) Private hostname ?

Is that public hostname "lunc-ht01" mapped with IP Address "107.113.193.160" ?

On the Nifi Host can you please try running the following command and share the output.

# curl -s http://169.254.169.254/latest/meta-data/public-hostname -o /tmp/public-hostname.txt  ; cat /tmp/public-hostname.txt 

# cat  /etc/hosts

# hostname -f

# netstat -tnlpa | grep 8080

.

Can you check your Local machine where you are opening the web browser to verify your "/etc/hosts" file to see if it is pointing to the Private IP Address of "lunc-ht01" ? On your Local machine where you are opening the browser.

# cat /etc/hosts

# telnet 107.113.193.160  8080
(OR)
# nc -v  107.113.193.160  8080

.

[#3]

The above question and the entire response thread below was originally posted in the Community Help track. On Sun Jun 30 21:03 UTC 2019, a member of the HCC moderation staff moved it to the Data Ingestion & Streaming track. The Community Help Track is intended for questions about using the HCC site itself, not technical questions about the Nifi Web UI.

[#4]

@luan ha

If you want to be able to access the NiFi UI via all of those URLs, then you will have to clear the nifi.web.http.host property.