Proxy server refused connections

Everytime I try to open Firefox and go online, I get the msg "proxy server refused connection". I tried going to options and choosing auto detect proxy and no proxy. They both allow me to go online but when I close Firefox, the settings I did aren't saved and I need to go to options again and change the settings. It's a hassle to go through this all the time. Help pls.

You can try to create a [https://support.mozilla.org/en-US/kb/Managing-profiles?s=profile&r=0&e=sph&as=s new profile] and see if the problem goes away. i.e. in Windows Start menu > '''Run''' (or press Windows key + '''R'''), type and enter '''firefox -p -no-remote''' > '''Create Profile''', after finishing select the newly created profile, '''Start Firefox''', edit and save the proxy settings and restart in the newly created profile. If the profile is okay, you can later [https://support.mozilla.org/en-US/kb/Recovering%20important%20data%20from%20an%20old%20profile?s=profile&r=1&e=sph&as=s copy] needed data like bookmarks, passwords etc. from the previous profile to the new profile and delete the previous profile.
If the problem persists, it could be a security software that is trying to transparently proxy Firefox and may also be reverting the Firefox proxy changes. You may have to go into the security software settings and exempt Firefox/[http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder or Files].

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    max_use = 100
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    receive_override_options =
    recipient_bcc_maps =
    recipient_canonical_classes = envelope_recipient, header_recipient
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    relay_destination_concurrency_failed_cohort_limit = $default_destination_concurrency_failed_cohort_limit
    relay_destination_concurrency_limit = $default_destination_concurrency_limit
    relay_destination_concurrency_negative_feedback = $default_destination_concurrency_negative_feedback
    relay_destination_concurrency_positive_feedback = $default_destination_concurrency_positive_feedback
    relay_destination_rate_delay = $default_destination_rate_delay
    relay_destination_recipient_limit = $default_destination_recipient_limit
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    relay_initial_destination_concurrency = $initial_destination_concurrency
    relay_recipient_maps =
    relay_transport = relay
    relayhost =
    relocated_maps =
    remote_header_rewrite_domain =
    resolve_null_domain = no
    resolve_numeric_domain = no
    rewrite_service_name = rewrite
    sample_directory = /usr/share/doc/postfix/examples
    send_cyrus_sasl_authzid = no
    sender_bcc_maps =
    sender_canonical_classes = envelope_sender, header_sender
    sender_canonical_maps =
    sender_dependent_relayhost_maps =
    sendmail_path = /usr/sbin/sendmail
    service_throttle_time = 60s
    setgid_group = _postdrop
    showq_service_name = showq
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    smtp_body_checks =
    smtp_cname_overrides_servername = no
    smtp_connect_timeout = 30s
    smtp_connection_cache_destinations =
    smtp_connection_cache_on_demand = yes
    smtp_connection_cache_time_limit = 2s
    smtp_connection_reuse_time_limit = 300s
    smtp_data_done_timeout = 600s
    smtp_data_init_timeout = 120s
    smtp_data_xfer_timeout = 180s
    smtp_defer_if_no_mx_address_found = no
    smtp_destination_concurrency_failed_cohort_limit = $default_destination_concurrency_failed_cohort_limit
    smtp_destination_concurrency_limit = $default_destination_concurrency_limit
    smtp_destination_concurrency_negative_feedback = $default_destination_concurrency_negative_feedback
    smtp_destination_concurrency_positive_feedback = $default_destination_concurrency_positive_feedback
    smtp_destination_rate_delay = $default_destination_rate_delay
    smtp_destination_recipient_limit = $default_destination_recipient_limit
    smtp_discard_ehlo_keyword_address_maps =
    smtp_discard_ehlo_keywords =
    smtp_enforce_tls = no
    smtp_fallback_relay = $fallback_relay
    smtp_generic_maps =
    smtp_header_checks =
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    smtp_helo_timeout = 300s
    smtp_host_lookup = dns
    smtp_initial_destination_concurrency = $initial_destination_concurrency
    smtp_line_length_limit = 990
    smtp_mail_timeout = 300s
    smtp_mime_header_checks =
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    smtp_mx_session_limit = 2
    smtp_nested_header_checks =
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    smtp_pix_workaround_maps =
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    smtp_pix_workarounds = disable_esmtp,delay_dotcrlf
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    smtp_quote_rfc821_envelope = yes
    smtp_rcpt_timeout = 300s
    smtp_rset_timeout = 20s
    smtp_sasl_auth_cache_name =
    smtp_sasl_auth_cache_time = 90d
    smtp_sasl_auth_soft_bounce = yes
    smtp_sasl_mechanism_filter =
    smtp_sasl_password_maps =
    smtp_sasl_path =
    smtp_sasl_security_options = noplaintext, noanonymous
    smtp_sasl_tls_security_options = $smtp_sasl_security_options
    smtp_sasl_tls_verified_security_options = $smtp_sasl_tls_security_options
    smtp_sasl_type = cyrus
    smtp_send_xforward_command = no
    smtp_sender_dependent_authentication = no
    smtp_starttls_timeout = 300s
    smtp_tls_CAfile =
    smtp_tls_CApath =
    smtp_tls_cert_file =
    smtp_tls_dcert_file =
    smtp_tls_dkey_file = $smtp_tls_dcert_file
    smtp_tls_enforce_peername = yes
    smtp_tls_exclude_ciphers =
    smtp_tls_fingerprint_cert_match =
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    smtp_tls_key_file = $smtp_tls_cert_file
    smtp_tls_loglevel = 0
    smtp_tls_mandatory_ciphers = medium
    smtp_tls_mandatory_exclude_ciphers =
    smtp_tls_mandatory_protocols = SSLv3, TLSv1
    smtp_tls_note_starttls_offer = no
    smtp_tls_per_site =
    smtp_tls_policy_maps =
    smtp_tls_scert_verifydepth = 9
    smtp_tls_secure_cert_match = nexthop, dot-nexthop
    smtp_tls_security_level =
    smtp_tls_session_cache_database =
    smtp_tls_session_cache_timeout = 3600s
    smtp_tls_verify_cert_match = hostname
    smtp_use_tls = no
    smtp_xforward_timeout = 300s
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    smtpd_authorized_xclient_hosts =
    smtpd_authorized_xforward_hosts =
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    smtpd_client_connection_rate_limit = 0
    smtpd_client_event_limit_exceptions = ${smtpd_client_connection_limit_exceptions:$mynetworks}
    smtpd_client_message_rate_limit = 0
    smtpd_client_new_tls_session_rate_limit = 0
    smtpd_client_port_logging = no
    smtpd_client_recipient_rate_limit = 0
    smtpd_client_restrictions = permit_mynetworks permit_sasl_authenticated reject_rbl_client zen.spamhaus.org permit
    smtpd_data_restrictions =
    smtpd_delay_open_until_valid_rcpt = yes
    smtpd_discard_ehlo_keyword_address_maps =
    smtpd_discard_ehlo_keywords =
    smtpd_end_of_data_restrictions =
    smtpd_enforce_tls = no
    smtpd_error_sleep_time = 1s
    smtpd_etrn_restrictions =
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    smtpd_helo_required = yes
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    smtpd_history_flush_threshold = 100
    smtpd_junk_command_limit = 100
    smtpd_milters =
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    smtpd_null_access_lookup_key =
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    smtpd_policy_service_max_ttl = 1000s
    smtpd_policy_service_timeout = 100s
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    smtpd_pw_server_security_options = cram-md5
    smtpd_recipient_limit = 1000
    smtpd_recipient_overshoot_limit = 1000
    smtpd_recipient_restrictions = permit_sasl_authenticated permit_mynetworks reject_unauth_destination check_policy_service unix:private/policy permit
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    smtpd_reject_unlisted_sender = no
    smtpd_restriction_classes =
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    smtpd_sasl_authenticated_header = no
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    smtpd_starttls_timeout = 300s
    smtpd_timeout = 300s
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    smtpd_tls_ask_ccert = no
    smtpd_tls_auth_only = no
    smtpd_tls_ccert_verifydepth = 9
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    smtpd_tls_dcert_file =
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    smtpd_tls_mandatory_exclude_ciphers =
    smtpd_tls_mandatory_protocols = SSLv3, TLSv1
    smtpd_tls_received_header = no
    smtpd_tls_req_ccert = no
    smtpd_tls_security_level =
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    smtpd_use_pw_server = yes
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    tls_random_reseed_period = 3600s
    tls_random_source =
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    unknown_client_reject_code = 450
    unknown_hostname_reject_code = 450
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    unknown_relay_recipient_reject_code = 550
    unknown_virtual_alias_reject_code = 550
    unknown_virtual_mailbox_reject_code = 550
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    unverified_sender_reject_code = 450
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    virtual_gid_maps =
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    virtual_mailbox_maps =
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