Hi Gustavo, I have tried both curl and web browser from outside the server but no luck.
Curl error: curl: (7) Failed to connect to <MYDNS/PUBLIC_IP> port 8000: Connection refused Thanks, Amal On Thu, Oct 6, 2016 at 5:44 PM, Gustavo Frederico < [email protected]> wrote: > Are you trying to hit the server using curl from outside the server? If > so, what happens? If the çurl requests don't work, it's a port mapping or > firewall issue. > > If curl works but the browser doesn't, you have to be careful with the > same-origin policy. The same-origin policy says that the requests have to > go to the same protocol, server domain and port of the page. You can get > around that using CORS, which is basically a set of extra headers added by > the server. You also need to be careful with the content type and CORS. > https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS > > Gustavo > > > On Thu, Oct 6, 2016 at 3:14 AM, amal kumar <[email protected]> > wrote: > >> Hi Tapo, >> >> I have added the above configuration to the iptables, but still no luck. >> >> sudo iptables -L -n: >> [image: Inline image 1] >> >> Also, >> $ sudo iptables -S >> -P INPUT ACCEPT >> -P FORWARD ACCEPT >> -P OUTPUT ACCEPT >> -A INPUT -p tcp -m tcp --dport 7070 -j ACCEPT >> -A INPUT -p tcp -m tcp --dport 8000 -j ACCEPT >> >> >> $ sudo ip6tables -S >> -P INPUT ACCEPT >> -P FORWARD ACCEPT >> -P OUTPUT ACCEPT >> >> >> $ netstat -nlp >> Proto Recv-Q Send-Q Local Address Foreign Address State >> PID/Program name >> tcp 0 0 0.0.0.0:22 0.0.0.0:* >> LISTEN - >> tcp 0 0 127.0.0.1:5432 0.0.0.0:* >> LISTEN - >> tcp6 0 0 :::36301 :::* >> LISTEN 31215/java >> tcp6 0 0 172.31.12.251:52787 :::* >> LISTEN 31215/java >> tcp6 0 0 :::22 :::* >> LISTEN - >> tcp6 0 0 :::7070 :::* >> LISTEN 30707/java >> tcp6 0 0 :::8000 :::* >> LISTEN 31215/java >> tcp6 0 0 :::41057 :::* >> LISTEN 31215/java >> tcp6 0 0 :::4040 :::* >> LISTEN 31215/java >> udp 0 0 0.0.0.0:68 0.0.0.0:* >> - >> udp 0 0 0.0.0.0:34499 0.0.0.0:* >> - >> udp6 0 0 :::42478 :::* >> - >> Active UNIX domain sockets (only servers) >> Proto RefCnt Flags Type State I-Node PID/Program >> name Path >> unix 2 [ ACC ] SEQPACKET LISTENING 7434 - >> /run/udev/control >> unix 2 [ ACC ] STREAM LISTENING 8718 - >> /var/run/dbus/system_bus_socket >> unix 2 [ ACC ] STREAM LISTENING 8978 - >> /var/run/acpid.socket >> unix 2 [ ACC ] STREAM LISTENING 457 - >> @/com/ubuntu/upstart >> unix 2 [ ACC ] STREAM LISTENING 8044 - >> /var/run/postgresql/.s.PGSQL.5432 >> >> >> >> Thanks, >> Amal Kumar >> >> On Wed, Oct 5, 2016 at 3:28 PM, Sunny <[email protected]> wrote: >> >>> Hello Amal, >>> >>> Try running following commands on your SSH terminal (on AWS linux), >>> sudo iptables -A INPUT -p tcp -m tcp --dport 7070 -j ACCEPT >>> sudo iptables -A INPUT -p tcp -m tcp --dport 8000 -j ACCEPT >>> >>> This should allow TCP input traffic to both the ports. >>> In case it doesn't work, send output of the following command, >>> sudo iptables -L -n >>> >>> -- Tapo >>> >>> On Wed, 5 Oct 2016 at 09:40 amal kumar <[email protected]> wrote: >>> >>>> Hi, >>>> >>>> As my understanding, i have updated the ec2 security group as below. >>>> Still not able to connect from web browser outside SSH >>>> >>>> Inbound: >>>> [image: Inline image 1] >>>> >>>> Outbound: >>>> [image: Inline image 2] >>>> >>>> >>>> iptables Status: >>>> >>>> $ sudo iptables -S >>>> -P INPUT ACCEPT >>>> -P FORWARD ACCEPT >>>> -P OUTPUT ACCEPT >>>> >>>> ip6tables Status: >>>> >>>> $ sudo ip6tables -S >>>> -P INPUT ACCEPT >>>> -P FORWARD ACCEPT >>>> -P OUTPUT ACCEPT >>>> >>>> >>>> >>>> $ netstat -nlp >>>> (Not all processes could be identified, non-owned process info >>>> will not be shown, you would have to be root to see it all.) >>>> Active Internet connections (only servers) >>>> Proto Recv-Q Send-Q Local Address Foreign Address >>>> State PID/Program name >>>> tcp 0 0 0.0.0.0:22 0.0.0.0:* >>>> LISTEN - >>>> tcp 0 0 127.0.0.1:5432 0.0.0.0:* >>>> LISTEN - >>>> tcp6 0 0 :::22 :::* >>>> LISTEN - >>>> tcp6 0 0 :::56568 :::* >>>> LISTEN 1848/java >>>> tcp6 0 0 :::7070 :::* >>>> LISTEN 1333/java >>>> tcp6 0 0 :::8000 :::* >>>> LISTEN 1848/java >>>> tcp6 0 0 :::40356 :::* >>>> LISTEN 1848/java >>>> tcp6 0 0 172.31.12.251:48166 :::* >>>> LISTEN 1848/java >>>> tcp6 0 0 :::4040 :::* >>>> LISTEN 1848/java >>>> udp 0 0 0.0.0.0:68 0.0.0.0:* >>>> - >>>> udp 0 0 0.0.0.0:55452 0.0.0.0:* >>>> - >>>> udp6 0 0 :::22478 :::* >>>> - >>>> Active UNIX domain sockets (only servers) >>>> Proto RefCnt Flags Type State I-Node PID/Program >>>> name Path >>>> unix 2 [ ACC ] STREAM LISTENING 8980 - >>>> /var/run/postgresql/.s.PGSQL.5432 >>>> unix 2 [ ACC ] STREAM LISTENING 7313 - >>>> @/com/ubuntu/upstart >>>> unix 2 [ ACC ] SEQPACKET LISTENING 7575 - >>>> /run/udev/control >>>> unix 2 [ ACC ] STREAM LISTENING 8941 - >>>> /var/run/acpid.socket >>>> unix 2 [ ACC ] STREAM LISTENING 7934 - >>>> /var/run/dbus/system_bus_socket >>>> >>>> >>>> >>>> Can you please suggest, which network setting is missing here? >>>> >>>> Thanks, >>>> Amal Kumar >>>> >>>> >>>> >>>> >>>> On Tue, Oct 4, 2016 at 5:55 PM, Sunny <[email protected]> wrote: >>>> >>>> Hello Amal, >>>> >>>> It seems that you need to tweak EC2 network settings to allow incoming >>>> traffic to both the ports (7070 & 8000) to be able to access it from >>>> outside the linux instance. >>>> >>>> -- Tapo >>>> >>>> On Tue, 4 Oct 2016 at 17:09 amal kumar <[email protected]> >>>> wrote: >>>> >>>> Hi Team, >>>> >>>> Hello, >>>> >>>> I have installed the PredictionIO on EC2, using the below reference >>>> http://predictionio.incubator.apache.org/install/install-linux/ >>>> >>>> Event server is started with command to serve the glolab traffic >>>> pio eventserver 0.0.0.0 & >>>> >>>> >>>> Also, I have deployed PredictionIO template i.e. >>>> http://predictionio.incubator.apache.org/templates/recommend >>>> ation/quickstart/ using the command to serve the global traffic i.e. >>>> pio deploy --ip 0.0.0.0 & >>>> >>>> >>>> Now, I am able to connect to Event Server (port : 7070) from SSH >>>> curl -i -X GET http://localhost:7070 >>>> >>>> HTTP/1.1 200 OK >>>> Server: spray-can/1.3.3 >>>> Date: Tue, 04 Oct 2016 11:31:44 GMT >>>> Content-Type: application/json; charset=UTF-8 >>>> Content-Length: 18 >>>> >>>> {"status":"alive"} >>>> >>>> >>>> Also, I am able to connect to Engine (port : 8000) from SSH: >>>> curl -k -H "Content-Type: application/json" -d '{ "user": "1", "num": 2 >>>> }' https://localhost:8000/queries.json >>>> {"itemScores":[{"item":"8","score":8.775522559547664},{"item >>>> ":"55","score":7.826485976992348} >>>> >>>> >>>> But, I am not able to access Event Server (port : 7070) or Engine (port >>>> : 8000) from Outside web brower. >>>> >>>> Error: >>>> Connection Refused >>>> >>>> >>>> Can you please help. >>>> >>>> >>>> >>>> Thanks, >>>> Amal Kumar >>>> >>>> >>>> >> >
