\t\t\t\t10 Port Forwarding<\/p>\n
By:
\n Stephen Carville
\nRev:
\n 08\/23\/02 <\/p>\n
Port Forwarding is also possible using OpenSSH (Sec 17.2).<\/p>\n
10.1 Using xinetd redirect function<\/p>\n
The simpliest and, in my opinion, the preferred way to handle redirecting unencrypted connections is to use the redirect
\ncapability built into xinetd.<\/p>\n
If necessary, add services names to \/etc\/services. For example: 1. Add service file to \/etc\/xinetd.d. Example file: 10.2 Using Netcat<\/p>\n The netcat utility is sometimes described as the ‘Swiss Army Knife” of the network. Here we are using it for very basic 1. Install netcat from CDROM or from ftp 10 Port Forwarding By: Stephen Carville Rev: 08\/23\/02 Port Forwarding is also possible using OpenSSH (Sec 17.2). 10.1 Using xinetd redirect function The simpliest and, in my opinion, the preferred way to handle redirecting unencrypted connections is to use the redirect capability built into xinetd. If necessary, add services names to \/etc\/services. For example: geofwd […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-50","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/kb.toderu.ro\/index.php?rest_route=\/wp\/v2\/posts\/50","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kb.toderu.ro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kb.toderu.ro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kb.toderu.ro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kb.toderu.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=50"}],"version-history":[{"count":0,"href":"https:\/\/kb.toderu.ro\/index.php?rest_route=\/wp\/v2\/posts\/50\/revisions"}],"wp:attachment":[{"href":"https:\/\/kb.toderu.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=50"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kb.toderu.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=50"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kb.toderu.ro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=50"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\ngeofwd 50005\/tcp # GeoTrac forwarded port<\/code><\/p>\n
\n # default: on
\n # description: forward connections to indian:1005
\n service geofwd
\n {
\n flags = REUSE
\n socket_type = stream
\n wait = no
\n user = root
\n redirect = 192.168.124.4 1005
\n log_on_failure += USERID
\n }<\/code>
\n 2. Restart xinetd
\n # \/etc\/rc.d\/init.d\/xinetd restart<\/code><\/p>\n
\nport forwarding from an externally accessible server to an internal server. If it is not necessary to run the forwarding
\nservice continiously, on Redhat it is prefereable to use xinetd forwarding.<\/p>\n
\n # rpm -Uvh ftp:\/\/volga\/pub\/RPMS\/nc-*.rpm<\/code>
\n 2. Add services names to \/etc\/services. For example:
\n geofwd 50005\/tcp # GeoTrac forwarded port(netcat)<\/code>
\n 3. Add service file to \/etc\/xinetd.d. Example file:
\n 4. # default: on
\n # description: forward connections to panama:1005
\n service geofwd
\n {
\n flags = REUSE
\n socket_type = stream
\n wait = no
\n user = root
\n server = \/usr\/bin\/nc
\n server_args = 192.168.124.38 1005
\n log_on_failure += USERID
\n }<\/code>
\n 5. Restart xinetd
\n # \/etc\/rc.d\/init.d\/xinetd restart<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"