<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <HTML> <HEAD> <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9"> <TITLE>Secure POP via SSH mini-HOWTO: $B4pK\E*$J;H$$J}(B</TITLE> <LINK HREF="Secure-POP+SSH-3.html" REL=next> <LINK HREF="Secure-POP+SSH-1.html" REL=previous> <LINK HREF="Secure-POP+SSH.html#toc2" REL=contents> </HEAD> <BODY> <A HREF="Secure-POP+SSH-3.html">$B<!$N%Z!<%8(B</A> <A HREF="Secure-POP+SSH-1.html">$BA0$N%Z!<%8(B</A> <A HREF="Secure-POP+SSH.html#toc2">$BL\<!$X(B</A> <HR> <H2><A NAME="s2">2. $B4pK\E*$J;H$$J}(B</A></H2> <P> <P> <P>$B$3$NJ}K!$O(B ssh $B$N4pK\E*$J5!G=$G$"$k!"(B<EM>$B%]!<%HE>Aw(B (port forwarding)</EM> $B$r;H$C$F$$$^$9!#(B <P> <P>$B$3$N%F!<%^$K$D$$$F$O!"$"$J$?$N%a!<%k$N@_Dj$N9%$_$K0MB8$7$F$5$^$6$^$J%P%j(B $B%(!<%7%g%s$,$"$j$^$9!#$H$K$+$/(B ssh $B$,I,MW$G$9!#<!$N$H$3$m$+$iF~<j$G$-$^(B $B$9!#(B <A HREF="http://www.ssh.fi/">http://www.ssh.fi/</A> $B$H$=$N%_%i!<%5%$%H!#(B RPM $BHG$O(B <A HREF="ftp://ftp.replay.com/pub/crypto/">ftp://ftp.replay.com/pub/crypto/</A> $B$+$i!#$=$l$+$i(B Debian $BHG$O(B <A HREF="ftp://non-us.debian.org/debian-non-US/">ftp://non-us.debian.org/debian-non-US/</A> $B$+$i(B ($B$=$7$F$=$l$>$l$N%_%i!<%5%$%H$+$i(B)$B!#(B($BLuCm(B : $B0lHLE*$K$$$C$F0E9f4X(B $B78$N%=%U%H%&%'%"$O9qFb$+$i$NF~<j$NJ}$,LdBj$,>/$J$$$h$&$K;W$$$^$9!#(B <A HREF="ftp://ftp.kyoto.wide.ad.jp/pub/security/ssh/">ftp://ftp.kyoto.wide.ad.jp/pub/security/ssh/</A> $B$J$I$+$iF~(B $B<j$G$-$k$3$H$H;W$$$^$9(B) <P> <P> <H2><A NAME="ss2.1">2.1 $B%]!<%HE>Aw$N@_Dj(B</A> </H2> <P> <P> <P>$B%]!<%HE>Aw$r;O$a$k$K$O<!$N%3%^%s%I$r(B ($BLuCm(B : $B%/%i%$%"%s%HB&$G(B) $BF~NO$7$F(B $B$/$@$5$$!#(B <P> <BLOCKQUOTE><CODE> <PRE> ssh -C -f popserver -L 11110:popserver:110 sleep 5 </PRE> </CODE></BLOCKQUOTE> <P> <P>$B$5$"<j$K$H$C$F$8$C$/$j$H%3%^%s%I$rD/$a$F$$$-$^$7$g$&!#(B <P> <DL> <P> <P> <DT><B><CODE>ssh</CODE></B><DD><P>$B$9$Y$F$r$+$J$($F$/$l$kKbK!$N%W%m%0%i%`(B ssh $B$N%P%$%J%jK\BN$G$9!#(B <P> <P> <DT><B><CODE>-C</CODE></B><DD><P>$B$3$l$O%G!<%?$N05=L5!G=$rM-8z$K$7$^$9!#$3$l$r;H$&$+$I$&$+$O$*G$$;$7$^$9$,!"(B $B$H$j$o$1%@%$%d%k%"%C%W$N%f!<%6$O=EJu$9$k$G$7$g$&!#(B <P> <P> <DT><B><CODE>-f</CODE></B><DD><P>$B0lEY(B ssh $B$,G'>Z$7!"%]!<%HE>Aw$r3NN)$9$k$H!"B>$N%W%m%0%i%`$rF0$+$;$k$h$&(B $B$K%P%C%/%0%i%&%s%I$K%U%)!<%/$7$^$9!#;d$?$A$O(B ssh $B$N%]!<%HE>Aw$N5!G=$r;H(B $B$$$^$9$N$G!"(B tty $B$X$N%"%?%C%A$OI,MW$"$j$^$;$s!#(B <P> <P> <DT><B><CODE>popserver</CODE></B><DD><P>$B$3$l$+$i@\B3$9$k(B POP $B%5!<%P$r;XDj$7$^$9!#(B <P> <P> <DT><B><CODE>-L 11110:popserver:110</CODE></B><DD><P>$B%m!<%+%k%]!<%H$N(B 11110 $B$r%j%b!<%H%5!<%P(B <CODE>popserver</CODE> $B$N%]!<%H(B 110 $B$KE>Aw$7$^$9!#0lHL%f!<%6$G$bE>Aw$G$-$k$h$&$KBg$-$$%m!<%+%k%]!<%H(B (11110) $B$r;HMQ$7$F$$$^$9!#(B($BLuCm(B : $B0lHLE*$K(B POP $B%5!<%P$N%]!<%HHV9f$O(B 110 $BHV$G$9(B) <P> <P> <DT><B><CODE>sleep 5</CODE></B><DD><P>ssh $B$O<+J,<+?H$r%P%C%/%0%i%&%s%I$K%U%)!<%/$7$?8e$K%3%^%s%I$r<B9T$7$^$9!#(B <CODE>sleep</CODE> $B$O%a!<%k%/%i%$%"%s%H$,%5!<%P$H$N@\B3$r3NN)$9$k$N$K==J,$J(B $B;~4V$r2T$0$?$a$N$b$N$G$9!#$3$l$K$O(B 5 $BICDx$b$"$l$P==J,$G$7$g$&!#(B </DL> <P> <P>$BB>$K$bI,MW$H$"$l$P!"E,@Z$J%*%W%7%g%s$rIU$12C$($F$/$@$5$$!#Nc$($P(B POP $B%5!<(B $B%P$H%m!<%+%k$G%f!<%6L>$,0[$J$k>l9g$K$O!"%f!<%6L>$N@_Dj$,I,MW$G$9!#(B <P> <P>$B$3$N0Y$K$O%j%b!<%H%5!<%P(B <CODE>popserver</CODE> $B$G(B sshd $B$,(B<EM>$BF0$$$F$$$kI,MW(B</EM>$B$,$"$j$^$9!#$7$+$7!"$=$3$K$"$J$?$N%7%'%k%"%+%&%s%H$OI,MW$"$j$^$;$s!#(B ``You cannot telnet here'' $B$HI=<($9$k;~4V$@$1$G!"%3%M%/%7%g%s$r@_Dj$9$k(B $B$K$O==J,$G$9!#(B <P> <H2><A NAME="ss2.2">2.2 $B30It$X$N%F%9%H(B</A> </H2> <P> <P> <P>$B%]!<%HE>Aw$9$k$?$a$N%3%^%s%I$N>\:Y$K$D$$$FM}2r$7$?$J$i!"0J2<$N%3%^%s%I$r(B $B;n$7$F$_$F$/$@$5$$!#(B <P> <BLOCKQUOTE><CODE> <PRE> $ ssh -C -f msingh@popserver -L 11110:popserver:110 sleep 1000 </PRE> </CODE></BLOCKQUOTE> <P> <P><CODE>popserver</CODE> $B$O(B POP $B%5!<%P$NL>A0$G$9!#(B $B;d$N%m!<%+%k%^%7%s>e$G$N%f!<(B $B%6L>$O(B <CODE>manish</CODE> $B$J$N$G!";d$OL@<(E*$K(B <CODE>msingh</CODE> $B$H;XDj$9$kI,(B $BMW$,$"$j$^$9!#(B($B%m!<%+%k%^%7%s>e$N%f!<%6!<L>$,%j%b!<%H%^%7%s>e$N%f!<%6L>(B $B$HF1$8$J$i(B <CODE>msingh@</CODE> $B$NItJ,$OI,MW$"$j$^$;$s(B) <P>$B$9$k$H$3$&I=<($5$l$^$9(B: <P> <BLOCKQUOTE><CODE> <PRE> msingh@popserver's password: </PRE> </CODE></BLOCKQUOTE> <P> <P>$B$=$7$F<+J,$N(B POP $B%Q%9%o!<%I$rF~NO$7$^$9(B ($B$"$J$?$N%7%'%k$N%Q%9%o!<%I$H(B POP $B$N%Q%9%o!<%I$O0c$&$+$b$7$l$^$;$s$,!"$=$N>l9g%7%'%k$N%Q%9%o!<%I$r;H$C(B $B$F$/$@$5$$(B)$B!#$G$-$^$7$?$M!#$=$l$G$O$3$l$b$G$-$k$O$:$G$9!#(B <P> <BLOCKQUOTE><CODE> <PRE> $ telnet localhost 11110 </PRE> </CODE></BLOCKQUOTE> <P> <P>$B$3$s$J46$8$KI=<($5$l$l$P$$$$$G$7$g$&(B: <P> <BLOCKQUOTE><CODE> <PRE> QUALCOMM POP v3.33 ready. </PRE> </CODE></BLOCKQUOTE> <P> <P>$B$d$j$^$7$?!#%G!<%?$O0E9f2=$5$l$F%M%C%H%o!<%/$r$3$($FAw$i$l$^$7$?!#%/%j%"(B $B%F%-%9%H$G$NDL?.$O;d$N%m!<%+%k%^%7%sFb$H(B POP $B%5!<%PFb$N%k!<%W%P%C%/%$%s(B $B%?%U%'!<%9>e$@$1$G$9!#(B <P> <HR> <A 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