topic Did you try using the passive in Network Security https://community.cisco.com/t5/network-security/ftp-access-issue-over-nat/m-p/3075668#M136225 <P>Did you try using the passive ftp mode ? or ftp inspection may be required.</P> <P>Thanks</P> <P>Murali</P> Tue, 25 Apr 2017 09:55:51 GMT Murali 2017-04-25T09:55:51Z FTP access issue over NAT https://community.cisco.com/t5/network-security/ftp-access-issue-over-nat/m-p/3075667#M136224 <P>I have configured the NAT for FTP on the FWSM . </P> <P></P> <P>static (INSIDE-HTTPGTW,INTERNET) tcp 21.22.39.13 20 172.6.1.15 20 netmask 255.255.255.255<BR />static (INSIDE-HTTPGTW,INTERNET) tcp 21.22.39.13 21 172.6.1.15 21 netmask 255.255.255.255<BR /><BR />access-list INTERNET-ACCESS-IN line 16 extended permit tcp any host 21.22.39.13 eq ftp</P> <P></P> <P>When I tried to access the ftp through public ip , it doesn't respond . If I access ftp server through private ip from inside the network , it works fine.</P> <P>Please help to resolve the issue.</P> Tue, 12 Mar 2019 09:15:46 GMT https://community.cisco.com/t5/network-security/ftp-access-issue-over-nat/m-p/3075667#M136224 puneetj_mrt 2019-03-12T09:15:46Z Did you try using the passive https://community.cisco.com/t5/network-security/ftp-access-issue-over-nat/m-p/3075668#M136225 <P>Did you try using the passive ftp mode ? or ftp inspection may be required.</P> <P>Thanks</P> <P>Murali</P> Tue, 25 Apr 2017 09:55:51 GMT https://community.cisco.com/t5/network-security/ftp-access-issue-over-nat/m-p/3075668#M136225 Murali 2017-04-25T09:55:51Z I didn't understand the https://community.cisco.com/t5/network-security/ftp-access-issue-over-nat/m-p/3075669#M136226 Passive mode ... Wed, 26 Apr 2017 06:40:52 GMT https://community.cisco.com/t5/network-security/ftp-access-issue-over-nat/m-p/3075669#M136226 puneetj_mrt 2017-04-26T06:40:52Z