http://www.silicondefense.com/software/snortsnarf/　ここから　
　　SnortSnarf-021111.1.tar.gz　を　/usr/local/src　にダウンロードしました。
　
[root@server2 src]# tar zxvf SnortSnarf-021111.1.tar.gz
SnortSnarf-021111.1/
SnortSnarf-021111.1/cgi/
SnortSnarf-021111.1/cgi/add_annotation.pl
SnortSnarf-021111.1/cgi/lsetlist.pl
SnortSnarf-021111.1/cgi/text4sel.pl
SnortSnarf-021111.1/cgi/same_in_otherrun.pl
SnortSnarf-021111.1/cgi/view_annotations.pl
SnortSnarf-021111.1/cgi/sel_to_add.pl
SnortSnarf-021111.1/cgi/view_lset.pl
SnortSnarf-021111.1/cgi/inclist.pl
SnortSnarf-021111.1/sisr/
SnortSnarf-021111.1/sisr/cgi/
SnortSnarf-021111.1/sisr/cgi/lsetlist.pl
SnortSnarf-021111.1/sisr/cgi/sel_to_add.pl
SnortSnarf-021111.1/sisr/cgi/inclist.pl
SnortSnarf-021111.1/sisr/sisr_modlist
SnortSnarf-021111.1/sisr/ex-sisr.config
SnortSnarf-021111.1/sisr/ex-report.txt
SnortSnarf-021111.1/sisr/modules/
SnortSnarf-021111.1/sisr/modules/set_list_view.pl
SnortSnarf-021111.1/sisr/modules/config_alert_set_db.pl
SnortSnarf-021111.1/sisr/modules/extr_alert_ids.pl
SnortSnarf-021111.1/sisr/modules/inc_list_view.pl
SnortSnarf-021111.1/sisr/modules/add_incident_to_db.pl
SnortSnarf-021111.1/sisr/modules/config_inc_flds_db.pl
SnortSnarf-021111.1/sisr/modules/whois_lookup.pl
SnortSnarf-021111.1/sisr/modules/lab_set_view.pl
SnortSnarf-021111.1/sisr/modules/inst_flds.pl
SnortSnarf-021111.1/sisr/modules/confirm_email.pl
SnortSnarf-021111.1/sisr/modules/file_text_map.pl
SnortSnarf-021111.1/sisr/modules/set_flags.pl
SnortSnarf-021111.1/sisr/modules/add_alert_set_notes_to_anns.pl
SnortSnarf-021111.1/sisr/modules/incident_view.pl
SnortSnarf-021111.1/sisr/modules/extr_alerts.pl
SnortSnarf-021111.1/sisr/modules/add_alerts_to_db_set.pl
SnortSnarf-021111.1/sisr/modules/nets_from_ips.pl
SnortSnarf-021111.1/sisr/modules/load_inc_fields.pl
SnortSnarf-021111.1/sisr/modules/send_mail.pl
SnortSnarf-021111.1/sisr/modules/add_annotation_to_inc_db.pl
SnortSnarf-021111.1/sisr/modules/parse_mailtempl.pl
SnortSnarf-021111.1/sisr/modules/add_inc_mail_annotation.pl
SnortSnarf-021111.1/sisr/modules/extr_alert_set_details.pl
SnortSnarf-021111.1/sisr/modules/earliest_latest_times.pl
SnortSnarf-021111.1/sisr/modules/setifempty2.pl
SnortSnarf-021111.1/sisr/modules/wrap_fields.pl
SnortSnarf-021111.1/sisr/modules/set_field_summation.pl
SnortSnarf-021111.1/sisr/modules/create_inc_form.pl
SnortSnarf-021111.1/sisr/README.SISR
SnortSnarf-021111.1/sisr/include/
SnortSnarf-021111.1/sisr/include/sisr_utils.pl
SnortSnarf-021111.1/sisr/include/alertset_xml.pl
SnortSnarf-021111.1/sisr/include/inc_xml.pl
SnortSnarf-021111.1/Usage
SnortSnarf-021111.1/README
SnortSnarf-021111.1/Changes
SnortSnarf-021111.1/snortsnarf.pl
SnortSnarf-021111.1/nmap2html/
SnortSnarf-021111.1/nmap2html/nmaplog-dns.pl
SnortSnarf-021111.1/nmap2html/README.nmap2html
SnortSnarf-021111.1/nmap2html/nmap2html.pl
SnortSnarf-021111.1/nmap2html/log2db.pl
SnortSnarf-021111.1/Time-modules/
SnortSnarf-021111.1/new-annotation-base.xml
SnortSnarf-021111.1/README.nmap2html
SnortSnarf-021111.1/README.SISR
SnortSnarf-021111.1/include/
SnortSnarf-021111.1/include/IPAddrContact.pm
SnortSnarf-021111.1/include/SnortSnarf/
SnortSnarf-021111.1/include/SnortSnarf/AlertBase.pm
SnortSnarf-021111.1/include/SnortSnarf/HTMLOutput.pm
SnortSnarf-021111.1/include/SnortSnarf/MemTimeBase.pm
SnortSnarf-021111.1/include/SnortSnarf/MultiStore.pm
SnortSnarf-021111.1/include/SnortSnarf/MemPacket.pm
SnortSnarf-021111.1/include/SnortSnarf/HTMLMemStorage.pm
SnortSnarf-021111.1/include/SnortSnarf/Filtering.pm
SnortSnarf-021111.1/include/SnortSnarf/PacketBase.pm
SnortSnarf-021111.1/include/SnortSnarf/AllMods.pm
SnortSnarf-021111.1/include/SnortSnarf/BasicFilters.pm
SnortSnarf-021111.1/include/SnortSnarf/KnownEquiv.pm
SnortSnarf-021111.1/include/SnortSnarf/SnortFileInput.pm
SnortSnarf-021111.1/include/SnortSnarf/HTMLOutput+other.pm
SnortSnarf-021111.1/include/SnortSnarf/HTMLAnomMemStorage.pm
SnortSnarf-021111.1/include/SnortSnarf/Input.pm
SnortSnarf-021111.1/include/SnortSnarf/IPObfuscater.pm
SnortSnarf-021111.1/include/SnortSnarf/SorterBase.pm
SnortSnarf-021111.1/include/SnortSnarf/Sort.pm
SnortSnarf-021111.1/include/SnortSnarf/StorageBase.pm
SnortSnarf-021111.1/include/SnortSnarf/MemAlert.pm
SnortSnarf-021111.1/include/SnortSnarf/BasicSorters.pm
SnortSnarf-021111.1/include/SnortSnarf/SnortDBInput.pm
SnortSnarf-021111.1/include/SnortSnarf/Filter.pm
SnortSnarf-021111.1/include/SnortSnarf/SnortRules.pm
SnortSnarf-021111.1/include/SnortSnarf/TimeFilters.pm
SnortSnarf-021111.1/include/SnortSnarf/MemStorage.pm
SnortSnarf-021111.1/include/ann_xml.pl
SnortSnarf-021111.1/include/web_utils.pl
SnortSnarf-021111.1/include/xml_help.pl
SnortSnarf-021111.1/COPYING
SnortSnarf-021111.1/utilities/
SnortSnarf-021111.1/utilities/IPAddrContact.pl
SnortSnarf-021111.1/utilities/setup_anns_dir.pl
SnortSnarf-021111.1/utilities/setup_sisrdb_dir.pl
SnortSnarf-021111.1/utilities/fix_perms.pl


　SnortSnarfを置く場所作成
[root@server2 src]# mkdir /usr/local/bin/SnortSnarf/
[root@server2 src]# cd /usr/local/src/SnortSnarf/SnortSnarf-021111.1
[root@server2 SnortSnarf-021111.1]# ls
COPYING README README.nmap2html Usage include nmap2html snortsnarf.pl
Changes README.SISR Time-modules cgi new-annotation-base.xml sisr utilities

[root@server2 SnortSnarf-021111.1]# mv snortsnarf.pl * /usr/local/bin/SnortSnarf/
　権限を　snortユーザに変更
[root@server2 SnortSnarf-021111.1]# chown -R snort:snort /usr/local/bin/SnortSnarf

　　インストール完了