If you want to change 9443 with 433 you need to go to:
/repository/conf/tomcat/catalina-server.xml
And replace 9443 by 433 in this section:
<Connector protocol="org.apache.coyote.http11.Http11NioProtocol"
port="9443"
bindOnInit="false"
sslEnabledProtocols="TLSv1,TLSv1.1,TLSv1.2"
maxHttpHeaderSize="8192"
acceptorThreadCount="2"
maxThreads="250"
minSpareThreads="50"
disableUploadTimeout="false"
enableLookups="false"
connectionUploadTimeout="120000"
maxKeepAliveRequests="200"
acceptCount="200"
server="WSO2 Carbon Server"
clientAuth="false"
compression="on"
scheme="https"
secure="true"
SSLEnabled="true"
keystoreFile="${carbon.home}/repository/resources/security/wso2carbon.jks"
keystorePass="wso2carbon"
compressionMinSize="2048"
noCompressionUserAgents="gozilla, traviata"
compressableMimeType="text/html,text/javascript,application/x-javascript,application/javascript,application/xml,text/css,application/xslt+xml,text/xsl,image/gif,image/jpg,image/jpeg"
URIEncoding="UTF-8"/>
Also, if you want to replace the NIO ports you need to go to:
/repository/conf/axis2/axis2.xml
and change the HTTP Receiver(8280) and HTTPS Receiver(8243) ports