unable to install proxy server
 

hai,
i am trying to load the proxy server but when i rum the rpm package it shows me the error
error: Failed dependencies:
libcrypto.so.4 is needed by squid-2.5.STABLE3-2.3E
libssl.so.4 is needed by squid-2.5.STABLE3-2.3E

After that i had tried to load the mentioned lib but it shows me the following errors
what does it means ,whether i already hav the lib ,if yes then why i am unable to load the proxy server:
-----
---
file /usr/bin/openssl from install of openssl-0.9.7a-5.1 conflicts with
file from package openssl-0.9.6b-29
file /usr/share/man/man1/asn1parse.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/ca.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/ciphers.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/crl.1ssl.gz from install of openssl-0.9.7a-5.1
conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/crl2pkcs7.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/dgst.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/dhparam.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/dsa.1ssl.gz from install of openssl-0.9.7a-5.1
conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/dsaparam.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/enc.1ssl.gz from install of openssl-0.9.7a-5.1
conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/gendsa.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/genrsa.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/nseq.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/openssl.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/pkcs12.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/pkcs7.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/pkcs8.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/req.1ssl.gz from install of openssl-0.9.7a-5.1
conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/rsa.1ssl.gz from install of openssl-0.9.7a-5.1
conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/rsautl.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/s_client.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/s_server.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/sess_id.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/smime.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/speed.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/spkac.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/sslpasswd.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/sslrand.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/verify.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/version.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man1/x509.1ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man5/config.5ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/man/man7/des_modes.7ssl.gz from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/ssl/certs/ca-bundle.crt from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29
file /usr/share/ssl/openssl.cnf from install of openssl-0.9.7a-5.1 conflicts with file from package openssl-0.9.6b-29

rpm -Uvh <filename>

Do this if the version of the file is newer than the file installed.

also if you are using redhat/fedora core it should have squid on it.